Anatomy of lymph nodes and presence of lymph nodes
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BASIC ANATOMY OF ALL LYMPH NODES DR AMEENA RAMZAN NUMBER ,LOCATION AND PRESENCE OF LYMPH NODES AND ALL LYMPH NODES IN HUMAN BODY NAMES OF DIFFERENT LYMPH NODES
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LYMPH NODES
The lymph node is a small bean-shaped object which factors in the body's immune system. Lymph nodes clean out substances that travel through the lymphatic fluid, and they contain white blood cells that are the body's defense when fighting off ailments. There are many lymph nodes found throughout the body.
lymphoid tissues l o
This document outlines a lecture on lymphoid tissues and lymphoid organs. It discusses the different types of lymphoid tissue, including diffuse lymphoid tissue found throughout the body, and nodular lymphoid organs like lymph nodules, lymph nodes, the thymus, tonsils, and spleen. For each organ, it describes the structure, cellular composition, location in the body, and basic functions. The goal is for students to understand the types, structures, and roles of the major lymphoid tissues and organs in the immune system.
Lymph node
This document provides an overview of lymph nodes, including their anatomy, components, and function. Lymph nodes are oval shaped structures distributed along lymphatic vessels that filter lymph and help trap foreign substances. They have an outer cortex containing lymphoid follicles and T cells, and an inner medulla containing sinuses that drain lymph. Lymph nodes play an important role in the immune system by filtering lymph and providing an environment for immune cells like lymphocytes and antigen-presenting cells to interact with antigens.
examination of lymph nodes
The document discusses the lymphatic system and lymph nodes. It describes the components and function of the lymphatic system in transporting lymph and immune cells throughout the body. It details the different types of lymph nodes, their locations in the head and neck region, and which areas of the body drain into specific lymph nodes. The causes and clinical evaluation of swollen or enlarged lymph nodes (lymphadenopathy) are also covered.
Histology of lymphatic system
Hello friends..you can use these notes for your convenience as they are taken from many other standard books.. Thank you
Lymphoid tissue
The lymphatic system consists of lymph, lymph nodes, lymph vessels, the spleen, thymus, tonsils, bone marrow and skin-associated lymphoid tissues. The main cells of the lymphatic system are lymphocytes such as B cells, T cells, natural killer cells, and supporting cells that interact with and present antigens to lymphocytes. The lymphatic system protects the body from foreign materials, assists in fluid circulation, and transports dietary fats. The thymus gland aids in the maturation of T cells while the spleen filters blood and mounts an immune response to antigens. Lymph nodes are located around arteries and veins and filter lymph fluid draining tissues.
Anatomy of lymph node by hussein ali hussein
Lymph nodes are oval shaped structures scattered throughout the body along lymph vessels. They range in size from 1-25mm. Lymph nodes contain immune cells like B cells, T cells, and macrophages. They have an outer capsule and inner medulla and cortex regions. Lymph flows into nodes through afferent vessels and is filtered by macrophages and lymphocytes before exiting through efferent vessels. This allows immune cells time to identify foreign substances and mount a response. Major lymph node groups are found in the neck, armpits, groin, and abdomen. Lymph nodes help protect the body by removing pathogens and producing immune cells.
Lymphatic drainage of head and neck
Lymphatic Drainage of Head and Neck. Includes Introduction to the lymphatic system, embryology, classification, anatomy, palpation and various disorders of the lymphatic system.
Recommended
LYMPH NODES
The lymph node is a small bean-shaped object which factors in the body's immune system. Lymph nodes clean out substances that travel through the lymphatic fluid, and they contain white blood cells that are the body's defense when fighting off ailments. There are many lymph nodes found throughout the body.
lymphoid tissues l o
This document outlines a lecture on lymphoid tissues and lymphoid organs. It discusses the different types of lymphoid tissue, including diffuse lymphoid tissue found throughout the body, and nodular lymphoid organs like lymph nodules, lymph nodes, the thymus, tonsils, and spleen. For each organ, it describes the structure, cellular composition, location in the body, and basic functions. The goal is for students to understand the types, structures, and roles of the major lymphoid tissues and organs in the immune system.
Lymph node
This document provides an overview of lymph nodes, including their anatomy, components, and function. Lymph nodes are oval shaped structures distributed along lymphatic vessels that filter lymph and help trap foreign substances. They have an outer cortex containing lymphoid follicles and T cells, and an inner medulla containing sinuses that drain lymph. Lymph nodes play an important role in the immune system by filtering lymph and providing an environment for immune cells like lymphocytes and antigen-presenting cells to interact with antigens.
examination of lymph nodes
The document discusses the lymphatic system and lymph nodes. It describes the components and function of the lymphatic system in transporting lymph and immune cells throughout the body. It details the different types of lymph nodes, their locations in the head and neck region, and which areas of the body drain into specific lymph nodes. The causes and clinical evaluation of swollen or enlarged lymph nodes (lymphadenopathy) are also covered.
Histology of lymphatic system
Hello friends..you can use these notes for your convenience as they are taken from many other standard books.. Thank you
Lymphoid tissue
The lymphatic system consists of lymph, lymph nodes, lymph vessels, the spleen, thymus, tonsils, bone marrow and skin-associated lymphoid tissues. The main cells of the lymphatic system are lymphocytes such as B cells, T cells, natural killer cells, and supporting cells that interact with and present antigens to lymphocytes. The lymphatic system protects the body from foreign materials, assists in fluid circulation, and transports dietary fats. The thymus gland aids in the maturation of T cells while the spleen filters blood and mounts an immune response to antigens. Lymph nodes are located around arteries and veins and filter lymph fluid draining tissues.
Anatomy of lymph node by hussein ali hussein
Lymph nodes are oval shaped structures scattered throughout the body along lymph vessels. They range in size from 1-25mm. Lymph nodes contain immune cells like B cells, T cells, and macrophages. They have an outer capsule and inner medulla and cortex regions. Lymph flows into nodes through afferent vessels and is filtered by macrophages and lymphocytes before exiting through efferent vessels. This allows immune cells time to identify foreign substances and mount a response. Major lymph node groups are found in the neck, armpits, groin, and abdomen. Lymph nodes help protect the body by removing pathogens and producing immune cells.
Lymphatic drainage of head and neck
Lymphatic Drainage of Head and Neck. Includes Introduction to the lymphatic system, embryology, classification, anatomy, palpation and various disorders of the lymphatic system.
LYMPH NODE
This document summarizes key aspects of lymph nodes and lymphatic flow. It discusses how lymph nodes filter lymph and initiate immune responses when antigens are encountered. The document describes lymph node architecture, including capsules, cortex, medulla, follicles, and germinal centers. It also outlines the functions of lymphatic flow in transporting interstitial fluid, fatty acids, and white blood cells between tissues and lymph nodes.
Lecture12 lymphatic system
The document summarizes the microscopic structure and function of lymphatic organs including the thymus, lymph nodes, spleen, and tonsils. It describes the distribution of T and B lymphocytes in these organs. The thymus differentiates T lymphocytes. Lymph nodes contain B and T cell regions and filter lymph. The spleen contains white pulp with B cell follicles and red pulp for filtering blood. Tonsils contain lymphoid tissue in the pharyngeal mucosa and tonsillar crypts.
Lymph node
Lymph nodes are oval structures that filter lymph and help the immune system fight infections. They contain a capsule that admits lymph through afferent vessels and releases it through efferent vessels. The lymph circulates through sinuses in the cortex and medulla before exiting. Lymph nodes vary in size and receive blood only at the hilum. They contain lymphatic tissue to combat pathogens by generating antibodies and immune cells that travel via efferent lymph vessels.
Notes on the Lymphatic System
The lymphatic system consists of lymph, lymphatic vessels, lymph nodes, and lymphatic organs. It functions to maintain fluid balance, absorb fats, and aid the immune system. Lymph is clear fluid that forms from tissue fluid and is transported through lymphatic vessels and lymph nodes before draining into the bloodstream. The right lymphatic duct drains the right side of the body while the larger thoracic duct drains the rest of the body before both vessels drain into large veins in the neck. Lymph nodes filter lymph and contain immune cells that fight pathogens. Disease can spread through the lymphatic system as lymph nodes indicate metastasis and infections can occur in vessels.
Lymphatic drainage of head and neck- Dr.Ayesha
The lymphatic system drains fluid and immune cells from tissues back into the bloodstream. It includes lymph nodes, lymph vessels, the spleen, thymus, tonsils, and bone marrow. The head and neck region contains superficial and deep lymph nodes that drain the facial skin, oral cavity, nasal cavity, and surrounding areas. Lymph flows from tissues and lymph nodes into increasingly large vessels that eventually drain into the subclavian veins. Knowledge of lymphatic drainage patterns aids in determining the origin of infections or spread of cancer.
histology of lymphatic system
This document summarizes the histology of the lymphatic system. It describes the main lymphoid organs as lymph nodes, spleen, thymus, and tonsils. Lymph nodes contain an outer cortex with lymphoid nodules and germinal centers, and an inner medulla with medullary cords and sinuses. The spleen has a capsule dividing it into white pulp with lymphoid nodules and red pulp with splenic cords and sinusoids. The thymus has a dark staining cortex containing immature lymphocytes and a light staining medulla with thymic corpuscles. Tonsils consist of lymphoid nodules in crypts, covered by stratified squ
Lymphatic drainage of head and neck by DR. C.P. ARYA ( B.Sc. ;B.D.S. ;M.D.S. ...
Lymphatic drainage,Lymph Nodes;Lymphadenopathy;History;Embryology; classification;differential diagnosis;Lymphatics of head and neck BY DR. C. P. ARYA
Lymphatics of head and neck
The lymphatic system drains fluid and waste from tissues into the bloodstream. It consists of lymph capillaries that collect fluid from tissues into larger collecting vessels and trunks. These eventually drain into the subclavian veins in the neck. The head and neck region is drained by both the right and left lymphatic systems, with the right side draining into the right lymphatic duct and the left side draining via the larger thoracic duct into the left subclavian vein. Lymph nodes along the vessels filter the lymph and help fight infection and cancer spread.
General Organization of the Lymph Nodes and Lymphatics
this lecture describes what is lymph, structure of a lymph node, function of it, topographical distribution of the lymph nodes and some clinical condition related to it.
Urinary System Notes
The kidneys filter blood to produce urine and are located between vertebrae T12-L3. Each kidney contains an outer cortex where filtering occurs and an inner medulla composed of renal pyramids. Blood enters the kidneys through the renal artery and leaves through the renal vein, undergoing filtration in structures called nephrons. Urine flows from nephrons through collecting ducts into minor calyces, major calyces, the renal pelvis, ureters, bladder, and urethra to exit the body. The ureters are muscular tubes that carry urine from kidneys to bladder. The bladder is a muscular reservoir organ where urine is stored before exiting through the urethra.
Anatomy and physiology of
The lymphatic system helps fight infection and disease. It is composed of lymph vessels that carry lymph fluid containing white blood cells. Lymph fluid is similar to plasma but contains larger particles like bacteria and damaged cells. Lymph vessels connect to lymph nodes which filter the lymph and contain lymphocytes that fight infection. The largest lymph vessels are the thoracic duct and right lymphatic duct which drain lymph into the bloodstream. Disorders of the lymphatic system include lymphomas, lymphadenitis, and lymphedema.
Lymphatic drainage of head and neck
The lymphatic system consists of lymph capillaries that collect fluid from tissues, lymph vessels that transport the fluid, and lymph nodes that filter the lymph. The main functions are collecting and transporting tissue fluid, returning plasma proteins to blood, transporting fats and other molecules, and assisting the immune system. The components are lymph fluid, lymphatic vessels, lymphatic tissues in organs, and lymphatic organs where immune cells concentrate. Lymph nodes are commonly enlarged in infection or cancer metastasis.
Lymph and lymphatic system
The lymphatic system consists of lymph, lymph vessels, lymph nodes, and lymphocyte-containing tissues. It collects fluid that leaks from blood vessels, known as lymph, and returns it to the circulatory system. The lymph flows through a network of thin-walled lymphatic vessels and passes through lymph nodes, which contain immune cells. Any foreign substances are filtered out before the lymph rejoins the bloodstream in larger veins in the neck.
Anatomy of the lymphatic system
• Gross anatomy:
– Components of the lymphatic system: lymphatic plexuses, lymphatics, lymphoid tissue
– Plan of the lymphatic system: Superficial lymphatic vessels, deep lymphatic vessels, lymph nodes, lymph trunks, cysterna chyli, lymph ducts: right lymph duct and thoracic duct.
– Lymphatic drainage of the lower limb
• Superficial inguinal lymph nodes: arrangement and drainage area.
• Deep inguinal lymph nodes: arrangement and drainage area. The popliteal lymph nodes
– Lymphatic drainage of the upper limb
• Superficial and deep lymphatics. Supratrochlear and infraclavicular lymph nodes.
• Axillary lymph nodes: arrangement and drainage area.
– Plan of the lymphatic drainage of the head and neck: deep cervical lymph nodes, inner and outer circle of lymph nodes.
• Deep cervical lymph nodes: location of the upper and lower groups, jugulodigastric node, jugulo-omohyoid, supraclavicular lymph nodes. Drainage area and efferent vessels.
• The outer circle of lymph nodes: submental, submandibular, buccal, mandibular, parotid, mastoid, occipital: location, drainage area and efferent vessels.
• The inner circle of lymph nodes: pretracheal, paratracheal and retropharyndeal.
• The tonsils and Waldeyer’s ring.
– Lymphatic drainage of the thorax:
• Lymph nodes of the chest wall: Parasternal, intercostal, and phrenic
• Lymph nodes of the mediastinum: Nodes around the division of the trachea and the main bronchi, anterior and posterior mediastinal nodes.
– Plan of lymphatic drainage of the abdomen: lumbar and intestinal lymph trunks.
• Pre-aortic lymph nodes: mesenteric, celiac, superior and inferior mesenteric lymph nodes.
• Para-aortic lymph nodes.
• MALT & Peyer’s patches.
– Lymphatic drainage in the pelvis: External and internal iliac lymph nodes, lymph nodes in fascial sheaths, sacral and common iliac lymph nodes.
• Applied anatomy
• Functional and clinical importance of the lymphatic system; Virchow’s lymph nodes; Retropharyngeal abscess; Clinical applications of enlarged thoracic lymph nodes: involvement of left recurrent laryngeal nerve and phrenic nerve. Pressure on the esophagus. Carinal lymph nodes and bronchoscopy; Communications of lymphatics between thorax and abdomen.
• Radiographic anatomy:
– Lymphangiogrms.
• Surface anatomy of palpable lymph node groups: superficial inguinal, axillary, infraclavicular, outer circle of crevical lymph nodes, deep cervical lymph nodes.
Lymphatic drainage of head neck/ oral surgery courses
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
lymphatic system
The document summarizes key aspects of the lymphatic system:
1) The lymphatic system is made up of lymphatic vessels, tissue, and organs that circulate a colorless fluid called lymph throughout the body.
2) The lymphatic system contains primary and secondary lymphoid organs. Primary organs include the bone marrow and thymus where lymphocytes develop. Secondary organs include the spleen and lymph nodes where lymphocytes collect and immune responses occur.
3) Lymphocytes contain two main types of immune cells - B-cells and T-cells - as well as natural killer cells, which are subtypes of white blood cells important for immune function.
LYMPHATICS HEAD AND NECK
The lymphatic system consists of lymph, lymphatic vessels, lymph nodes, the spleen, thymus, and bone marrow. It develops from lymph sacs that arise from veins. The main functions are restoration of interstitial fluid, absorption and transport of fats, and defense against pathogens. Lymph contains nutrients, waste, and immune cells. It is transported through a network of vessels and ducts and emptied into subclavian veins. Lymph nodes filter lymph and activate immune cells to fight infection. The spleen, thymus, and bone marrow also participate in immune responses.
Lymphatic system- Lymph nodes and Spleen
This document discusses the microanatomy of lymphoid organs and immune cells. It describes the structure and function of lymphocytes, macrophages, endothelial cells, lymph nodes, spleen, and lymphatic and circulatory systems. Key cells and tissues discussed include B cells, T cells, macrophages, lymph nodes, spleen, lymphatic vessels, sinusoids, and white and red pulp. The roles of these components in immune function, antigen presentation, and filtration are summarized.
Lymph node
Lymph nodes are secondary lymphoid organs that range in size from a few millimeters to about 1-2 cm long. They are enclosed in a fibrous capsule and contain an outer cortex and inner medulla. The primary function of lymph nodes is to filter lymph and fight infection using lymphocytes including B and T cells that reside within.
The lymphatic system 08
The lymphatic system filters and returns fluid from tissues to the bloodstream. It consists of lymphatic vessels, lymph nodes, and lymphoid tissues like the spleen and thymus gland. The lymphatic system helps fight infection through lymphocytes and transports fatty acids from the intestines via the lacteals. It is important for fluid balance as excess interstitial fluid is otherwise cause edema if not returned to the bloodstream by the lymphatic vessels.
Lymphatic system
The lymphatic system transports lymph fluid and immune cells throughout the body. It is composed of lymphatic vessels, lymph nodes, the spleen, thymus, tonsils, adenoids, and bone marrow. Lymph fluid is collected from tissues by lymphatic capillaries and transported to lymph nodes where immune cells filter out pathogens and debris. The lymph then drains into the subclavian veins or thoracic duct to return to systemic circulation. Key functions of the lymphatic system include fluid homeostasis, absorption of fats from the intestine, and immune defense.
50 51 lymphoid tissue of orofacial region.pptx
The document provides information about the lymphatic system including its tissues, functions, lymph nodes, and drainage patterns of the head and neck region. It defines the lymphatic system as a network of lymph vessels that carry lymph fluid. There are three types of lymphoid tissues: primary (bone marrow and thymus), secondary (spleen, lymph nodes, tonsils), and tertiary tissues. The document describes lymph node structure and function, as well as the drainage patterns and lymph nodes involved in different areas of the head and neck region such as the tongue, tonsils, and palate.
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LYMPH NODE
This document summarizes key aspects of lymph nodes and lymphatic flow. It discusses how lymph nodes filter lymph and initiate immune responses when antigens are encountered. The document describes lymph node architecture, including capsules, cortex, medulla, follicles, and germinal centers. It also outlines the functions of lymphatic flow in transporting interstitial fluid, fatty acids, and white blood cells between tissues and lymph nodes.
Lecture12 lymphatic system
The document summarizes the microscopic structure and function of lymphatic organs including the thymus, lymph nodes, spleen, and tonsils. It describes the distribution of T and B lymphocytes in these organs. The thymus differentiates T lymphocytes. Lymph nodes contain B and T cell regions and filter lymph. The spleen contains white pulp with B cell follicles and red pulp for filtering blood. Tonsils contain lymphoid tissue in the pharyngeal mucosa and tonsillar crypts.
Lymph node
Lymph nodes are oval structures that filter lymph and help the immune system fight infections. They contain a capsule that admits lymph through afferent vessels and releases it through efferent vessels. The lymph circulates through sinuses in the cortex and medulla before exiting. Lymph nodes vary in size and receive blood only at the hilum. They contain lymphatic tissue to combat pathogens by generating antibodies and immune cells that travel via efferent lymph vessels.
Notes on the Lymphatic System
The lymphatic system consists of lymph, lymphatic vessels, lymph nodes, and lymphatic organs. It functions to maintain fluid balance, absorb fats, and aid the immune system. Lymph is clear fluid that forms from tissue fluid and is transported through lymphatic vessels and lymph nodes before draining into the bloodstream. The right lymphatic duct drains the right side of the body while the larger thoracic duct drains the rest of the body before both vessels drain into large veins in the neck. Lymph nodes filter lymph and contain immune cells that fight pathogens. Disease can spread through the lymphatic system as lymph nodes indicate metastasis and infections can occur in vessels.
Lymphatic drainage of head and neck- Dr.Ayesha
The lymphatic system drains fluid and immune cells from tissues back into the bloodstream. It includes lymph nodes, lymph vessels, the spleen, thymus, tonsils, and bone marrow. The head and neck region contains superficial and deep lymph nodes that drain the facial skin, oral cavity, nasal cavity, and surrounding areas. Lymph flows from tissues and lymph nodes into increasingly large vessels that eventually drain into the subclavian veins. Knowledge of lymphatic drainage patterns aids in determining the origin of infections or spread of cancer.
histology of lymphatic system
This document summarizes the histology of the lymphatic system. It describes the main lymphoid organs as lymph nodes, spleen, thymus, and tonsils. Lymph nodes contain an outer cortex with lymphoid nodules and germinal centers, and an inner medulla with medullary cords and sinuses. The spleen has a capsule dividing it into white pulp with lymphoid nodules and red pulp with splenic cords and sinusoids. The thymus has a dark staining cortex containing immature lymphocytes and a light staining medulla with thymic corpuscles. Tonsils consist of lymphoid nodules in crypts, covered by stratified squ
Lymphatic drainage of head and neck by DR. C.P. ARYA ( B.Sc. ;B.D.S. ;M.D.S. ...
Lymphatic drainage,Lymph Nodes;Lymphadenopathy;History;Embryology; classification;differential diagnosis;Lymphatics of head and neck BY DR. C. P. ARYA
Lymphatics of head and neck
The lymphatic system drains fluid and waste from tissues into the bloodstream. It consists of lymph capillaries that collect fluid from tissues into larger collecting vessels and trunks. These eventually drain into the subclavian veins in the neck. The head and neck region is drained by both the right and left lymphatic systems, with the right side draining into the right lymphatic duct and the left side draining via the larger thoracic duct into the left subclavian vein. Lymph nodes along the vessels filter the lymph and help fight infection and cancer spread.
General Organization of the Lymph Nodes and Lymphatics
this lecture describes what is lymph, structure of a lymph node, function of it, topographical distribution of the lymph nodes and some clinical condition related to it.
Urinary System Notes
The kidneys filter blood to produce urine and are located between vertebrae T12-L3. Each kidney contains an outer cortex where filtering occurs and an inner medulla composed of renal pyramids. Blood enters the kidneys through the renal artery and leaves through the renal vein, undergoing filtration in structures called nephrons. Urine flows from nephrons through collecting ducts into minor calyces, major calyces, the renal pelvis, ureters, bladder, and urethra to exit the body. The ureters are muscular tubes that carry urine from kidneys to bladder. The bladder is a muscular reservoir organ where urine is stored before exiting through the urethra.
Anatomy and physiology of
The lymphatic system helps fight infection and disease. It is composed of lymph vessels that carry lymph fluid containing white blood cells. Lymph fluid is similar to plasma but contains larger particles like bacteria and damaged cells. Lymph vessels connect to lymph nodes which filter the lymph and contain lymphocytes that fight infection. The largest lymph vessels are the thoracic duct and right lymphatic duct which drain lymph into the bloodstream. Disorders of the lymphatic system include lymphomas, lymphadenitis, and lymphedema.
Lymphatic drainage of head and neck
The lymphatic system consists of lymph capillaries that collect fluid from tissues, lymph vessels that transport the fluid, and lymph nodes that filter the lymph. The main functions are collecting and transporting tissue fluid, returning plasma proteins to blood, transporting fats and other molecules, and assisting the immune system. The components are lymph fluid, lymphatic vessels, lymphatic tissues in organs, and lymphatic organs where immune cells concentrate. Lymph nodes are commonly enlarged in infection or cancer metastasis.
Lymph and lymphatic system
The lymphatic system consists of lymph, lymph vessels, lymph nodes, and lymphocyte-containing tissues. It collects fluid that leaks from blood vessels, known as lymph, and returns it to the circulatory system. The lymph flows through a network of thin-walled lymphatic vessels and passes through lymph nodes, which contain immune cells. Any foreign substances are filtered out before the lymph rejoins the bloodstream in larger veins in the neck.
Anatomy of the lymphatic system
• Gross anatomy:
– Components of the lymphatic system: lymphatic plexuses, lymphatics, lymphoid tissue
– Plan of the lymphatic system: Superficial lymphatic vessels, deep lymphatic vessels, lymph nodes, lymph trunks, cysterna chyli, lymph ducts: right lymph duct and thoracic duct.
– Lymphatic drainage of the lower limb
• Superficial inguinal lymph nodes: arrangement and drainage area.
• Deep inguinal lymph nodes: arrangement and drainage area. The popliteal lymph nodes
– Lymphatic drainage of the upper limb
• Superficial and deep lymphatics. Supratrochlear and infraclavicular lymph nodes.
• Axillary lymph nodes: arrangement and drainage area.
– Plan of the lymphatic drainage of the head and neck: deep cervical lymph nodes, inner and outer circle of lymph nodes.
• Deep cervical lymph nodes: location of the upper and lower groups, jugulodigastric node, jugulo-omohyoid, supraclavicular lymph nodes. Drainage area and efferent vessels.
• The outer circle of lymph nodes: submental, submandibular, buccal, mandibular, parotid, mastoid, occipital: location, drainage area and efferent vessels.
• The inner circle of lymph nodes: pretracheal, paratracheal and retropharyndeal.
• The tonsils and Waldeyer’s ring.
– Lymphatic drainage of the thorax:
• Lymph nodes of the chest wall: Parasternal, intercostal, and phrenic
• Lymph nodes of the mediastinum: Nodes around the division of the trachea and the main bronchi, anterior and posterior mediastinal nodes.
– Plan of lymphatic drainage of the abdomen: lumbar and intestinal lymph trunks.
• Pre-aortic lymph nodes: mesenteric, celiac, superior and inferior mesenteric lymph nodes.
• Para-aortic lymph nodes.
• MALT & Peyer’s patches.
– Lymphatic drainage in the pelvis: External and internal iliac lymph nodes, lymph nodes in fascial sheaths, sacral and common iliac lymph nodes.
• Applied anatomy
• Functional and clinical importance of the lymphatic system; Virchow’s lymph nodes; Retropharyngeal abscess; Clinical applications of enlarged thoracic lymph nodes: involvement of left recurrent laryngeal nerve and phrenic nerve. Pressure on the esophagus. Carinal lymph nodes and bronchoscopy; Communications of lymphatics between thorax and abdomen.
• Radiographic anatomy:
– Lymphangiogrms.
• Surface anatomy of palpable lymph node groups: superficial inguinal, axillary, infraclavicular, outer circle of crevical lymph nodes, deep cervical lymph nodes.
Lymphatic drainage of head neck/ oral surgery courses
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
lymphatic system
The document summarizes key aspects of the lymphatic system:
1) The lymphatic system is made up of lymphatic vessels, tissue, and organs that circulate a colorless fluid called lymph throughout the body.
2) The lymphatic system contains primary and secondary lymphoid organs. Primary organs include the bone marrow and thymus where lymphocytes develop. Secondary organs include the spleen and lymph nodes where lymphocytes collect and immune responses occur.
3) Lymphocytes contain two main types of immune cells - B-cells and T-cells - as well as natural killer cells, which are subtypes of white blood cells important for immune function.
LYMPHATICS HEAD AND NECK
The lymphatic system consists of lymph, lymphatic vessels, lymph nodes, the spleen, thymus, and bone marrow. It develops from lymph sacs that arise from veins. The main functions are restoration of interstitial fluid, absorption and transport of fats, and defense against pathogens. Lymph contains nutrients, waste, and immune cells. It is transported through a network of vessels and ducts and emptied into subclavian veins. Lymph nodes filter lymph and activate immune cells to fight infection. The spleen, thymus, and bone marrow also participate in immune responses.
Lymphatic system- Lymph nodes and Spleen
This document discusses the microanatomy of lymphoid organs and immune cells. It describes the structure and function of lymphocytes, macrophages, endothelial cells, lymph nodes, spleen, and lymphatic and circulatory systems. Key cells and tissues discussed include B cells, T cells, macrophages, lymph nodes, spleen, lymphatic vessels, sinusoids, and white and red pulp. The roles of these components in immune function, antigen presentation, and filtration are summarized.
Lymph node
Lymph nodes are secondary lymphoid organs that range in size from a few millimeters to about 1-2 cm long. They are enclosed in a fibrous capsule and contain an outer cortex and inner medulla. The primary function of lymph nodes is to filter lymph and fight infection using lymphocytes including B and T cells that reside within.
The lymphatic system 08
The lymphatic system filters and returns fluid from tissues to the bloodstream. It consists of lymphatic vessels, lymph nodes, and lymphoid tissues like the spleen and thymus gland. The lymphatic system helps fight infection through lymphocytes and transports fatty acids from the intestines via the lacteals. It is important for fluid balance as excess interstitial fluid is otherwise cause edema if not returned to the bloodstream by the lymphatic vessels.
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Lymphatic drainage of head and neck by DR. C.P. ARYA ( B.Sc. ;B.D.S. ;M.D.S. ...
Lymphatic drainage of head and neck by DR. C.P. ARYA ( B.Sc. ;B.D.S. ;M.D.S. ...
General Organization of the Lymph Nodes and Lymphatics
General Organization of the Lymph Nodes and Lymphatics
Lymphatic drainage of head neck/ oral surgery courses
Lymphatic drainage of head neck/ oral surgery courses
Similar to Anatomy of lymph nodes and presence of lymph nodes
Lymphatic system
The lymphatic system transports lymph fluid and immune cells throughout the body. It is composed of lymphatic vessels, lymph nodes, the spleen, thymus, tonsils, adenoids, and bone marrow. Lymph fluid is collected from tissues by lymphatic capillaries and transported to lymph nodes where immune cells filter out pathogens and debris. The lymph then drains into the subclavian veins or thoracic duct to return to systemic circulation. Key functions of the lymphatic system include fluid homeostasis, absorption of fats from the intestine, and immune defense.
50 51 lymphoid tissue of orofacial region.pptx
The document provides information about the lymphatic system including its tissues, functions, lymph nodes, and drainage patterns of the head and neck region. It defines the lymphatic system as a network of lymph vessels that carry lymph fluid. There are three types of lymphoid tissues: primary (bone marrow and thymus), secondary (spleen, lymph nodes, tonsils), and tertiary tissues. The document describes lymph node structure and function, as well as the drainage patterns and lymph nodes involved in different areas of the head and neck region such as the tongue, tonsils, and palate.
Lymph nodes of head and neck: Normal anatomy and applied aspect
Lymph nodes in the head and neck can be classified as either superficial or deep nodes. Superficial nodes include the submental, submandibular, buccal, mandibular, parotid, postauricular, occipital, anterior cervical, and superficial cervical nodes. Deep nodes include the prelaryngeal, pretracheal, paratracheal, jugulodigastric, and jugulo-omohyoid nodes. The lymph nodes drain various structures in the head and neck region and filter lymph before it returns to circulation. Lymph nodes are important for immune function and removing debris from tissues.
Lymph nodes of head & neck, Normal anatomy and its applied aspect
Lymph nodes in the head and neck can be classified as either superficial or deep nodes. Superficial nodes include the submental, submandibular, buccal, mandibular, parotid, postauricular, occipital, anterior cervical, and superficial cervical nodes. Deep nodes include the prelaryngeal, pretracheal, paratracheal, jugulodigastric, and jugulo-omohyoid nodes. The lymph nodes drain various structures in the head and neck region and filter lymph before it returns to circulation. Lymph nodes are important for immune function and removing debris from tissues.
Head and neck lymphatic drainage.
The document provides an overview of the lymphatic system, including its historical perspectives, embryological development, functions, anatomy, and clinical applications. It describes the key components and their roles, such as lymph, lymphatic vessels, lymph nodes, and lymphatic organs. The summary focuses on lymphatic drainage patterns in the head and neck region, noting that lymph drains from tissues and lymph nodes into the right lymphatic duct or thoracic duct. It also discusses the functions of lymph nodes in filtering pathogens and alerting the immune system.
Assessment of lymphatic system
The lymphatic system transports fluid and immune cells throughout the body, removes cellular waste and pathogens, and presents antigens to immune cells. It consists of lymphatic vessels, lymph nodes, the spleen, thymus, tonsils, and bone marrow. Lymph fluid is collected from tissues by lymphatic capillaries and passes through lymph nodes, which filter the lymph and harbor immune cells. The lymph eventually returns to the blood circulation via lymph ducts in the neck. Enlargement of lymph nodes or spleen can indicate infection, inflammation, or cancer that is being assessed through history, exam, labs, and imaging.
Lymphatics of the head & neck
Radical neck dissection is a surgical procedure performed to remove lymph nodes and other tissues in the neck during cancer treatment. It is more extensive than a standard or modified neck dissection. The goal is to remove all lymph nodes on one side of the neck below the jawbone to reduce the risk of cancer recurrence or spread. It is performed for advanced primary head and neck cancers or cancers that have already spread to lymph nodes.
Levels of Lymph Nodes
Occipital (2-4)
Superior nuchal line between sternocleidomastoid and trapezius
Occipital part of scalp
Superficial cervical lymph nodes
Accessary lymph nodes
Mastoid (1-3)
Superficial to sternocleidomastoid insertion
Posterior parietal scalp
Skin of ear, posterior external acoustic meatus
Superior deep cervical nodes Accessary lymph nodes
Preauricular (2-3)
Anterior to ear over parotid fascia
Drains areas supplied by superficial temporal artery
Anterior parietal scalp
Anterior surface of ear
Superior deep cervical lymph nodes
Parotid (up to 10 or more)
About parotid gland and under parotid fascia
Deep to parotid gland
External acoustic meatus
Skin of frontal and temporal regions
Eyelids, tympanic cavity
Cheek, nose (posterior palate)
Superior deep cervical lymph nodes
Facial
Superficial(up to 12)
Maxillary
Buccal
Mandibular
Distributed along course of facial artery and vein
Skin and mucous membranes of eyelids, nose, cheek
Submandibular nodes
Deep
Distributed along course of maxillary artery lateral to lateral pterygoid muscle
Temporal and infratemporal fossa
Nasal pharynx
Superior deep cervical lymph nodesSuperficial
Anterior jugular vein between superficial cervical fascia and infrahyoid fascia
Skin, muscles, and viscera of infrahyoid region of neck
Superior deep cervical lymph nodes
Deep
Between viscera of neck and investing layer of deep cervical fascia
Adjoining parts of trachea, larynx, thyroid gland
Superior deep cervical lymph nodes
Anterior cervical/Superficial
Submental (2-3)
Submental triangle
Chin
Medial part of lower lip
Lower incisor teeth and gingiva
Tip of tongue
Cheeks
Submandibular lymph node to jugulo-omohyoid lymph node and superior deep cervical lymph nodes
Lymphatic system [autosaved]
The lymphatic system plays an important role in draining lymph fluid from tissues back into the bloodstream. The head and neck region contains a complex network of lymphatic vessels and nodes that drain two separate areas - the right side drains into the right lymphatic duct while the left side drains into the thoracic duct. Lymphatic development begins with lymph sacs that later connect to form vessels. The vessels drain into lymph nodes and eventually the subclavian veins. Disruptions to the lymphatic drainage system can cause pathological issues.
Lymphatic system.docx
The lymphatic system includes lymph vessels, lymph nodes, spleen, thymus, tonsils, and bone marrow. Lymph vessels carry lymph fluid and white blood cells through the body and to lymph nodes, which filter the lymph and harbor lymphocytes. The spleen, thymus, tonsils, and bone marrow are lymphoid tissues that help produce and store lymphocytes to fight infection and disease. Together, these components of the lymphatic system help maintain fluid balance in tissues, absorb fats and transport white blood cells throughout the body as part of the immune system.
Lymphatic system
types of circulatory system, function of lymphatic system, components of lymphatic system, and explaination of these components, formation of lymph and factors contributing ti n the drainage of lymph, types of lymphoid organ, blood supply of lymphoid organ clinical aspect
Lymphatic system
The lymphatic system is part of the circulatory system and immune system. It is composed of lymph capillaries that branch throughout the body and collect lymph fluid high in white blood cells. The lymph vessels drain the lymph fluid into the lymph nodes where the fluid is filtered before emptying into the bloodstream via two main lymphatic ducts. The lymphatic system also includes the thymus, spleen, bone marrow, and collections of lymphatic tissue in the respiratory and digestive tracts that help fight infection and produce immune cells.
lymph nodes.ppt
This document provides information about lymph nodes and the lymphatic system. It discusses the anatomy, embryology, histology, and physiology of lymph nodes and lymphatic drainage. Key points include:
- Lymph nodes act as filters for the lymphatic system and help fight infection. They are located along lymphatic vessels.
- The primary lymphoid organs are the bone marrow and thymus, where lymphocytes develop. Secondary lymphoid organs include the spleen, lymph nodes, tonsils, and skin.
- Lymph nodes have an outer cortex and inner medulla. Lymph enters through afferent vessels and exits through efferent vessels. High endothelial venules are found
Lymphatic drainage
The document discusses the lymphatic drainage of the head and neck region. It begins with an introduction to the lymphatic system and its components. It then describes the pathways of lymph flow in the head and neck, including the major lymph nodes and their locations. For each head and neck structure, it outlines the specific lymph nodes that structure drains into, such as the submental nodes for the chin and lower lip and the submandibular nodes for the cheeks. The document provides a detailed overview of the lymphatic drainage patterns of the head and neck.
LN HEAD AND NECK.pptx
Lymph nodes in the head and neck can be examined and classified into different levels. There are about 300 lymph nodes in the head and neck region organized into two circles - the outer and inner circles. The outer circle includes submental, submandibular, preauricular and occipital nodes. The inner circle includes prelaryngeal, pretracheal, paratracheal and retropharyngeal nodes. Lymph nodes are further classified into 6 levels from I to VI based on their location for cancer staging and treatment planning. Lymph nodes examine antigen filtration and immune response initiation making examination important for clinical assessment.
Unit IX: The Lymphatic System A&P BSN 1
At the completion of this unit, learners will be able to: 1. Define lymph & the lymphatic system 2. Identify the organs of lymphatic system 3. Describe the general functions of the lymphatic system 4. Describe how lymph is formed 5. Describe the lymph vessels & how lymph is returned to the blood vessels 6. Describe the structure and functions of the lymph nodes, nodules, spleen and the thymus glands.
Lymphatic organs of body
Lymphatic organs of body
• Lymphoid organs are the organs, in which lymphocytes can differentiate and proliferate.
• They are part of lymphatic system.
• The lymphatic system is part of circulatory system and a vital part of the immune system, comprising a network of lymphatic vessels that carry a clear fluid called lymph (from Latin, lympha meaning "water" directionally towards the heart.
• Unlike the cardiovascular system, the lymphatic system is not a closed system.
• HISTORY –
• Hippocrates and Aristotle described lymph as white fluid.
• Gasparo aselli an Italian anatomist discovered lymphatic vessels in 1622.
• Van hook in 1652 demonstrated the presence of cisterna chyli and thoracic duct in humans.
• William hunter in the late 18th century was the first to describe the functions of lymphatic system.
• Olof Rudbeck of Swedish university described that lymphatic system constitute a circulatory system separate from blood circulation and this fact was accepted by Royal society of London.
Lymph Nodes
The lymphatic system has three functions:
Fluid recovery.
Immunity
Lipid absorption
The lymphatic vessels of the small intestine receive the special designation of lacteals or chyliferous vessels.
The components of the lymphatic system are :-
lymph, the recovered fluid;
Lymphatic vessels, which transport the lymph;
Lymphatic tissue, composed of aggregates of lymphocytes and macrophages that populate many organs of the body; and
Lymphatic organs, in which these cells are especially concentrated and which are set off from surrounding organs by connective tissue capsules.
The Anatomy of Lymphatic System
The lymphatic system includes lymph vessels, lymph nodes, and lymph fluid that carry excess fluid from tissues and filter pathogens. It is part of the circulatory system and immune system. Lymph fluid is formed from plasma that leaks from blood vessels into tissues and is transported through lymph vessels to lymph nodes, which filter the lymph and contain immune cells. The filtered lymph then returns to the bloodstream through two main lymphatic ducts. Lymphocytes produced in bone marrow and thymus gland are key immune cells that the lymphatic system helps transport and activate against foreign pathogens.
Lymphatic system
This document provides an overview of the lymphatic system. It defines lymph as tissue fluid that has entered lymph capillaries. Lymph vessels carry lymph and drain into two main ducts: the thoracic duct and right lymphatic duct. The document describes key components like lymph nodes, spleen, thymus, and tonsils. It explains the functions of the lymphatic system in returning tissue fluid to circulation, transporting lymphocytes, filtering microorganisms, and producing antibodies for protection.
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Anatomy of lymph nodes and presence of lymph nodes
- 1. Submitted to: Mam Narjis Batool Submitted by: Ameena Ramzan Maryam Shahzad Subject: Small parts
- 2. Lymph nodes: A lymph node or lymph gland is an ovoid or kidney-shaped organ of the lymphatic system. They are major sites of B and T cells and other white blood cells.
- 4. FUNCTION: They filter lymph ,a clear fluid that comes from blood plasma. Assist the immune system in building an immune response.
- 5. STRUCTURE: kidney or oval shaped and range in size from 0.1 to 2.5 cm long. fibrous capsule. outer cortex and the inner medulla.
- 7. Location: 500–600 lymph nodes head, groin, neck, chest, and abdomen.
- 8. Lymph nodes of the head: 1. Occipital lymph nodes 2. Mastoid lymph nodes 3. Parotid lymph nodes
- 9. CERVICAL LYMPH NODES: Lymph nodesof the neck 1. Submental lymph node 2. Submandibular lymph node
- 10. DEEP CERVICALLYMPHNODES 1. Deep anterior cervical nodes 2. Deep lateral cervical nodes
- 12. Supraclavicular lymph nodes: Supraclavicular lymph nodes are lymph nodes found above to the clavicle, that can be felt in the supraclavicular fossa. On the left side are called Virchow's nodes.
- 14. Lymph nodesof the thorax: Lymph nodes of the lungs: The lymph is drained from the lung tissue through subsegmental, segmental, lobar and interlobar lymph nodes.
- 15. Lymph nodesof arm: Lateral nodes Anterior or pectoral nodes Posterior or subscapular nodes Central or intermediate nodes Medial or subclavicular nodes
- 17. Lymph nodesof lowerlimbor groin: Inguinal lymph nodes Inguinal lymph nodes are lymph nodes in the human groin. Located in the femoral triangle of the inguinal region, they are grouped into superficial and deep lymph nodes
- 18. popliteal lymph nodes The popliteal lymph nodes, small in size and some six or seven in number, are embedded in the fat contained in the popliteal fossa, sometimes referred to as the 'knee pit'..