Lecture5 femalebreast-180321033233
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The document describes the anatomy of the female breast. It discusses the shape and position of the breast as conical and extending from the 2nd to 6th ribs laterally. It describes the structure of the mammary gland as consisting of 15-20 lobes and lobules embedded in fatty tissue and separated by ligaments of Cooper. The blood supply comes from perforating branches of the internal thoracic artery and mammary branches of the lateral thoracic and intercostal arteries. Lymphatic drainage is primarily to the axillary lymph nodes, with the central and lateral parts draining to the pectoral nodes and upper parts to the apical nodes.
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Lecture5 femalebreast-180321033233
The female breast is conical in shape and lies in the superficial fascia of the chest. It has a base, apex, and tail. The nipple lies in the 4th intercostal space and has 15-20 pores for lactiferous ducts. The mammary gland consists of 15-20 lobes made up of lobules embedded in fatty tissue and separated by fibrous ligaments. The breast receives its blood supply from perforating branches of the internal thoracic artery and mammary branches of the lateral thoracic and intercostal arteries. Lymphatic drainage is primarily to the axillary lymph nodes, with some drainage to internal thoracic and subdiaphragmatic nodes. Breast cancer most commonly occurs in the
female breast anatomy and physiology
The document describes the anatomy of the female breast. It discusses the shape and position of the breast as conical and extending from the 2nd to 6th ribs laterally. It describes the structure of the mammary gland as consisting of 15-20 lobes and lobules embedded in fatty tissue and separated by ligaments of Cooper. The blood supply comes from perforating branches of the internal thoracic artery and branches of the lateral thoracic and intercostal arteries. Lymphatic drainage is primarily to the pectoral lymph nodes but also drains to axillary and internal thoracic lymph nodes. Applied anatomy discusses breast cancer occurrence in the upper lateral quadrant and treatment involving mastectomy and radiotherapy.
Anatomy of breast
The document summarizes the anatomy of the breast, including its vascular supply, innervation, and supporting structures. It describes how the breast overlies the pectoralis major muscle and is anchored to the chest wall by Cooper's ligaments. The blood supply comes from perforating vessels including the internal mammary artery. Sensation is provided by intercostal nerves T3-T5 and supraclavicular nerves. The document also discusses the muscles related to the breast - pectoralis major, serratus anterior, external oblique, and rectus abdominis - and their roles in breast surgery and reconstruction.
Breast Region
This document discusses the anatomy of the breast including its structure, blood supply, nerve supply, lymphatic drainage, and development. The breast is composed of skin, connective tissue stroma, and parenchymal tissue. Its blood supply comes through perforating branches of intercostal arteries. Lymphatic drainage is primarily to axillary lymph nodes but also to internal mammary and posterior intercostal lymph nodes. The breast continues developing postnatally during puberty with increases in fat, connective tissue, and lobules.
Breast Anatomy
Basic Anatomy and some applied aspects are described in this PPT.
References
1) B.D.Chaurasia book of anatomy
2) Sabiston book of surgery
3) Wikipedia
Surgical anatomy of breasts
The surgical anatomy of the breast, surgical procedures, surgical approach to a breast mass. Mastectomy types and differences. Lymphatic drainage
Breast
The breast is located in the pectoral region of the torso and serves as the mammary gland in females. It is bounded by the ribs, sternum, and latissimus dorsi muscle. The breast contains skin, nipple, areola, parenchyma tissue, and stroma. Blood supply comes from branches of the internal thoracic, axillary, and intercostal arteries. Veins drain into internal thoracic, axillary, and intercostal veins. The breast is innervated by intercostal nerves. The document also provides a clinical case study of a 55-year-old woman diagnosed with ductal invasive breast cancer.
Anatomy of the breast
The breast develops from the milk streak in the fourth to sixth week of embryological development. The thoracic mammary bud appears around 49 days and the rest involutes. The breast lies cushioned in fat between layers of the superficial pectoral fascia. It forms as a secondary sexual feature in females and lies on the deep pectoral fascia in front and below the external oblique muscles. The breast receives blood supply from the internal thoracic artery, intercostal arteries, and axillary artery. Lymph drainage occurs laterally to the axillary nodes or pectoral nodes and some vessels communicate with lymph vessels of the opposite breast or anterior abdominal wall, while the medial quadrant drains to the internal thoracic nodes
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Lecture5 femalebreast-180321033233
The female breast is conical in shape and lies in the superficial fascia of the chest. It has a base, apex, and tail. The nipple lies in the 4th intercostal space and has 15-20 pores for lactiferous ducts. The mammary gland consists of 15-20 lobes made up of lobules embedded in fatty tissue and separated by fibrous ligaments. The breast receives its blood supply from perforating branches of the internal thoracic artery and mammary branches of the lateral thoracic and intercostal arteries. Lymphatic drainage is primarily to the axillary lymph nodes, with some drainage to internal thoracic and subdiaphragmatic nodes. Breast cancer most commonly occurs in the
female breast anatomy and physiology
The document describes the anatomy of the female breast. It discusses the shape and position of the breast as conical and extending from the 2nd to 6th ribs laterally. It describes the structure of the mammary gland as consisting of 15-20 lobes and lobules embedded in fatty tissue and separated by ligaments of Cooper. The blood supply comes from perforating branches of the internal thoracic artery and branches of the lateral thoracic and intercostal arteries. Lymphatic drainage is primarily to the pectoral lymph nodes but also drains to axillary and internal thoracic lymph nodes. Applied anatomy discusses breast cancer occurrence in the upper lateral quadrant and treatment involving mastectomy and radiotherapy.
Anatomy of breast
The document summarizes the anatomy of the breast, including its vascular supply, innervation, and supporting structures. It describes how the breast overlies the pectoralis major muscle and is anchored to the chest wall by Cooper's ligaments. The blood supply comes from perforating vessels including the internal mammary artery. Sensation is provided by intercostal nerves T3-T5 and supraclavicular nerves. The document also discusses the muscles related to the breast - pectoralis major, serratus anterior, external oblique, and rectus abdominis - and their roles in breast surgery and reconstruction.
Breast Region
This document discusses the anatomy of the breast including its structure, blood supply, nerve supply, lymphatic drainage, and development. The breast is composed of skin, connective tissue stroma, and parenchymal tissue. Its blood supply comes through perforating branches of intercostal arteries. Lymphatic drainage is primarily to axillary lymph nodes but also to internal mammary and posterior intercostal lymph nodes. The breast continues developing postnatally during puberty with increases in fat, connective tissue, and lobules.
Breast Anatomy
Basic Anatomy and some applied aspects are described in this PPT.
References
1) B.D.Chaurasia book of anatomy
2) Sabiston book of surgery
3) Wikipedia
Surgical anatomy of breasts
The surgical anatomy of the breast, surgical procedures, surgical approach to a breast mass. Mastectomy types and differences. Lymphatic drainage
Breast
The breast is located in the pectoral region of the torso and serves as the mammary gland in females. It is bounded by the ribs, sternum, and latissimus dorsi muscle. The breast contains skin, nipple, areola, parenchyma tissue, and stroma. Blood supply comes from branches of the internal thoracic, axillary, and intercostal arteries. Veins drain into internal thoracic, axillary, and intercostal veins. The breast is innervated by intercostal nerves. The document also provides a clinical case study of a 55-year-old woman diagnosed with ductal invasive breast cancer.
Anatomy of the breast
The breast develops from the milk streak in the fourth to sixth week of embryological development. The thoracic mammary bud appears around 49 days and the rest involutes. The breast lies cushioned in fat between layers of the superficial pectoral fascia. It forms as a secondary sexual feature in females and lies on the deep pectoral fascia in front and below the external oblique muscles. The breast receives blood supply from the internal thoracic artery, intercostal arteries, and axillary artery. Lymph drainage occurs laterally to the axillary nodes or pectoral nodes and some vessels communicate with lymph vessels of the opposite breast or anterior abdominal wall, while the medial quadrant drains to the internal thoracic nodes
Benign breast lesions
This document provides information on the anatomy of the breast and axillary region. It describes the lobes, ducts, blood and lymphatic supply of the breast. It also discusses the diagnosis of breast diseases through patient history, physical examination, and various imaging modalities. Key points include the importance of family history and reproductive factors in diagnosis. Physical exam focuses on inspecting for masses, skin changes, nipple retraction or discharge. Palpation examines the breast tissue and lymph nodes for abnormalities.
Lymphatic's of breast
This document discusses the lymphatic system of the breast. It notes that the breast has both superficial lymphatics that drain the skin over the breast and deep lymphatics that drain the breast parenchyma and nipple/areola. The lymph from the breast drains primarily to the axillary lymph nodes but also to internal mammary, parasternal, supraclavicular and other nodes. The axillary lymph nodes are arranged in five groups - anterior, central, apical, lateral and posterior - and are an important area for potential spread of breast cancer cells.
Female reproductive system
The document provides details about the female genital system, including the internal organs like the uterus, vagina, fallopian tubes, and ovaries. It describes the structure of the uterus including its layers, parts, positions, blood supply, and how it enlarges during pregnancy. It also discusses the structure of the vagina, its interior regions, relations to surrounding organs, blood supply, and supports. The summary focuses on the key internal female reproductive organs and some of their key anatomical features.
Pectoral region
The document describes the anatomy of the pectoral region, including muscles like the pectoralis major and minor, and serratus anterior. It also discusses the mammary gland/breast, describing its structure, blood supply, lymphatic drainage and applied aspects like mammography and breast abscesses. Key structures mentioned include the clavicle, sternum, ribs, humerus, and scapula.
Breast cancer relevant anatomy
1) The breast is composed of adipose tissue, lactiferous ducts and tubules, blood vessels, nerves and lymphatics. It extends from the 2nd to 6th ribs and medially from the lateral border of the sternum to the mid-axillary line.
2) The breast parenchyma contains 15-20 lobes made up of lobules that empty into lactiferous ducts. It also contains stromal connective and fatty tissue.
3) Lymphatic drainage of the breast primarily follows the blood supply to the axillary lymph nodes but may also drain to internal mammary or intercostal nodes. Sentinel lymph node biopsy is used to help determine cancer stage
Development of female genital system
The development of the female genital system is determined at fertilization by the presence of two X chromosomes. In female embryos, the primitive sex cords dissociate and are replaced by the ovarian medulla and cortex. The paramesonephric ducts develop into the uterus, fallopian tubes, and upper vagina, while the sinovaginal bulbs form the lower vagina. Defects can occur if the paramesonephric ducts fail to fuse properly, resulting in conditions like a septate, bicornuate, or didelphys uterus. The genital tubercle forms the clitoris and genital swellings become the labia, with the urethral folds
Breast
The breast lies in the superficial fascia of the pectoral region and is divided into four quadrants. It extends from the 2nd to 6th ribs horizontally and from the sternum to the midaxillary line vertically. The breast contains lobules that produce milk via lactiferous ducts which drain at the nipple. Lymphatic drainage is primarily to the axillary lymph nodes but also occurs to internal mammary and intercostal nodes. The breast develops from the mammary ridge in utero.
UTERUS.pptx
female reproductive organ, gross anatomy of uterus, its parts,position, internal structure, its attachments, supports of uterus, blood supply and lymphatic drainage.
The Anatomy of Breast
The breast lies in the superficial fascia of the pectoral region between the 2nd and 6th ribs. It has lobes of glandular tissue drained by lactiferous ducts that open at the nipple. The blood supply comes from intercostal arteries and the lymphatic drainage is primarily to axillary lymph nodes. The breast develops from the mammary ridge in fetal life. Human milk produced by the breast contains water, lactose, fats, proteins and antibodies to nourish infants.
The breast
The mammary gland is modified sweat gland tissue located in the superficial fascia of the anterior chest wall. In females, it is well-developed and plays an important role in reproduction through milk production. The breasts are composed of lobules that drain into lactiferous ducts which open onto the nipple. Lymphatic drainage of the breast is important for staging breast cancer as the disease commonly spreads via lymphatics. The breast receives its blood supply from intercostal and thoracoacromial arteries and drains venously into axillary veins.
Anatomy of female pelvis & genital organs
The document discusses the anatomy of the female pelvis and genital organs. It describes the external female genitalia which includes the mons pubis, labia majora, labia minora, clitoris, and prepuce. It also describes the internal female genitalia which includes the vagina, cervix, uterus, fallopian tubes, and ovaries. Additionally, it discusses the bones that make up the pelvis and identifies four main maternal pelvic shapes (gynecoid, anthropoid, platypelloid, android) that can impact obstetric performance.
Antomy of scrotum and testis
The scrotum contains the testes and is divided into right and left sides. It has 5 layers from inner to outer: skin, dartos muscle, external spermatic fascia, cremasteric muscle and fascia, and internal spermatic fascia. The dartos muscle contracts in the cold to protect the testes and relaxes in warmth. Blood supply comes from various arteries and drains into veins that lead to the inferior vena cava or left renal vein.
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The jejunum and ileum are the coiled parts of the small intestine located between the duodenum and the ileocecal junction. They are suspended from the posterior abdominal wall by the mesentery, which contains blood vessels, nerves, lymphatics, and lymph nodes that service the intestines. The jejunum is the upper 2/5th of the small intestine, while the ileum is the lower 3/5th, terminating at the ileocecal junction. Meckel's diverticulum is a rare congenital pouch located on the ileum.
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Anatomy of breast
The document provides details on the anatomy of the female breast:
- The breast is made up of 15-20 lobules of glandular tissue embedded in fat, separated by fibrous septa and ligaments. Each lobule drains into lactiferous ducts that empty into the nipple.
- The blood supply comes from branches of the axillary, internal thoracic, and intercostal arteries. Lymphatic drainage is primarily to the axillary nodes but also to internal mammary nodes.
- During pregnancy and lactation, the breast enlarges as alveoli develop from the ducts to produce milk. After weaning or menopause, the secretory tissue undergoes involution.
Anatomy of the mammary gland MBBS
This is a brief presentation regarding the normal female breaat anatomy which consisting of the gross and internal structure of mammaru gland with its applied aspects (breast carcinoma)
Breast anatomy
This document discusses the anatomy and physiology of the breast. It describes the case of Dr. Nipun, who was the youngest known survivor of breast cancer at age 2 after undergoing a total mastectomy. The breast is an apocrine gland located in the pectoral region that is well-developed in females after puberty. It discusses the lobes, lobules, ducts, stroma, blood supply, lymphatic drainage and development of the breast.
Breast anatomy&physiology
The document summarizes breast anatomy and physiology. It describes the lobes, lobules, lactiferous ducts and other structures that make up the breast. It explains that the breast is supplied by blood vessels and lymphatic drainage passes through axillary nodes. The nipple and areola contain smooth muscle and Montgomery glands. The stages of breast development from fetal through pregnancy and menopause are also outlined.
Male internal genital organ
The male internal genital organs include the testes, epididymis, prostate, seminal vesicles, ejaculatory ducts, and vas deferentia. The testes produce sperm and testosterone. The epididymis stores and transports sperm. The prostate produces fluids that make up semen. The seminal vesicles and prostate secrete fluids that provide nutrition and transport for sperm. These structures work together to produce and transport sperm as part of the male reproductive system.
Anatomy of female genital tract
The cervix is the lowermost part of the uterus that extends into the vagina. It is cylindrical in shape and divided into portions above and within the vagina. The endocervical canal contains ridges and glands lined by columnar epithelium. The ectocervix is covered by squamous epithelium. The cervix secretes mucus to aid sperm transport and acts as a barrier during pregnancy. The vagina is a fibro muscular tube extending from the vulva to the uterus. It has anterior, posterior and lateral walls lined by stratified squamous epithelium and contains glands, muscles and connective tissue. The vagina allows for sexual intercourse, birth and menstrual flow.
FEMALE Breast anatomy ffffffffffffffffffffffffffff
The female breast is conical in shape and lies in the superficial fascia of the chest. It has a base, apex, and tail, with its base extending from the 2nd to 6th ribs and across from the sternum to the midaxillary line. The nipple is a conical projection from the breast that lies at the 4th intercostal space, carrying 15-20 pores of lactiferous ducts. The areola is a dark pink area surrounding the nipple. The breast tissue is made up of 15-20 lobes and lobules embedded in fat and separated by Cooper's ligaments. Lymphatic drainage is primarily to the axillary lymph nodes, with some drainage to internal thoracic
_ FEMALE BREAST ANATOMY.pdf
The document discusses the anatomy of the pectoral region and breast. It describes the muscles of the pectoral region including the pectoralis major and minor, subclavius, and serratus anterior. It outlines the boundaries, contents and formation of the brachial plexus in the axilla. Regarding the breast, it describes the shape, position and structure of the mammary gland, including its lobes, lobules and 15-20 lactiferous ducts. It details the blood supply, lymphatic drainage involving the axillary lymph nodes, and some clinical implications such as patterns of breast cancer spread.
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Benign breast lesions
This document provides information on the anatomy of the breast and axillary region. It describes the lobes, ducts, blood and lymphatic supply of the breast. It also discusses the diagnosis of breast diseases through patient history, physical examination, and various imaging modalities. Key points include the importance of family history and reproductive factors in diagnosis. Physical exam focuses on inspecting for masses, skin changes, nipple retraction or discharge. Palpation examines the breast tissue and lymph nodes for abnormalities.
Lymphatic's of breast
This document discusses the lymphatic system of the breast. It notes that the breast has both superficial lymphatics that drain the skin over the breast and deep lymphatics that drain the breast parenchyma and nipple/areola. The lymph from the breast drains primarily to the axillary lymph nodes but also to internal mammary, parasternal, supraclavicular and other nodes. The axillary lymph nodes are arranged in five groups - anterior, central, apical, lateral and posterior - and are an important area for potential spread of breast cancer cells.
Female reproductive system
The document provides details about the female genital system, including the internal organs like the uterus, vagina, fallopian tubes, and ovaries. It describes the structure of the uterus including its layers, parts, positions, blood supply, and how it enlarges during pregnancy. It also discusses the structure of the vagina, its interior regions, relations to surrounding organs, blood supply, and supports. The summary focuses on the key internal female reproductive organs and some of their key anatomical features.
Pectoral region
The document describes the anatomy of the pectoral region, including muscles like the pectoralis major and minor, and serratus anterior. It also discusses the mammary gland/breast, describing its structure, blood supply, lymphatic drainage and applied aspects like mammography and breast abscesses. Key structures mentioned include the clavicle, sternum, ribs, humerus, and scapula.
Breast cancer relevant anatomy
1) The breast is composed of adipose tissue, lactiferous ducts and tubules, blood vessels, nerves and lymphatics. It extends from the 2nd to 6th ribs and medially from the lateral border of the sternum to the mid-axillary line.
2) The breast parenchyma contains 15-20 lobes made up of lobules that empty into lactiferous ducts. It also contains stromal connective and fatty tissue.
3) Lymphatic drainage of the breast primarily follows the blood supply to the axillary lymph nodes but may also drain to internal mammary or intercostal nodes. Sentinel lymph node biopsy is used to help determine cancer stage
Development of female genital system
The development of the female genital system is determined at fertilization by the presence of two X chromosomes. In female embryos, the primitive sex cords dissociate and are replaced by the ovarian medulla and cortex. The paramesonephric ducts develop into the uterus, fallopian tubes, and upper vagina, while the sinovaginal bulbs form the lower vagina. Defects can occur if the paramesonephric ducts fail to fuse properly, resulting in conditions like a septate, bicornuate, or didelphys uterus. The genital tubercle forms the clitoris and genital swellings become the labia, with the urethral folds
Breast
The breast lies in the superficial fascia of the pectoral region and is divided into four quadrants. It extends from the 2nd to 6th ribs horizontally and from the sternum to the midaxillary line vertically. The breast contains lobules that produce milk via lactiferous ducts which drain at the nipple. Lymphatic drainage is primarily to the axillary lymph nodes but also occurs to internal mammary and intercostal nodes. The breast develops from the mammary ridge in utero.
UTERUS.pptx
female reproductive organ, gross anatomy of uterus, its parts,position, internal structure, its attachments, supports of uterus, blood supply and lymphatic drainage.
The Anatomy of Breast
The breast lies in the superficial fascia of the pectoral region between the 2nd and 6th ribs. It has lobes of glandular tissue drained by lactiferous ducts that open at the nipple. The blood supply comes from intercostal arteries and the lymphatic drainage is primarily to axillary lymph nodes. The breast develops from the mammary ridge in fetal life. Human milk produced by the breast contains water, lactose, fats, proteins and antibodies to nourish infants.
The breast
The mammary gland is modified sweat gland tissue located in the superficial fascia of the anterior chest wall. In females, it is well-developed and plays an important role in reproduction through milk production. The breasts are composed of lobules that drain into lactiferous ducts which open onto the nipple. Lymphatic drainage of the breast is important for staging breast cancer as the disease commonly spreads via lymphatics. The breast receives its blood supply from intercostal and thoracoacromial arteries and drains venously into axillary veins.
Anatomy of female pelvis & genital organs
The document discusses the anatomy of the female pelvis and genital organs. It describes the external female genitalia which includes the mons pubis, labia majora, labia minora, clitoris, and prepuce. It also describes the internal female genitalia which includes the vagina, cervix, uterus, fallopian tubes, and ovaries. Additionally, it discusses the bones that make up the pelvis and identifies four main maternal pelvic shapes (gynecoid, anthropoid, platypelloid, android) that can impact obstetric performance.
Antomy of scrotum and testis
The scrotum contains the testes and is divided into right and left sides. It has 5 layers from inner to outer: skin, dartos muscle, external spermatic fascia, cremasteric muscle and fascia, and internal spermatic fascia. The dartos muscle contracts in the cold to protect the testes and relaxes in warmth. Blood supply comes from various arteries and drains into veins that lead to the inferior vena cava or left renal vein.
The jejunum, ileum & mesentery
The jejunum and ileum are the coiled parts of the small intestine located between the duodenum and the ileocecal junction. They are suspended from the posterior abdominal wall by the mesentery, which contains blood vessels, nerves, lymphatics, and lymph nodes that service the intestines. The jejunum is the upper 2/5th of the small intestine, while the ileum is the lower 3/5th, terminating at the ileocecal junction. Meckel's diverticulum is a rare congenital pouch located on the ileum.
Female genital tract anatomy
This document provides an overview of female genital tract anatomy. It describes the pelvis and pelvic organs, including the pelvic floor muscles and ligaments that provide support. It details the endopelvic fascia including the pubocervical, rectovaginal, and uterosacral fascia. It also describes the anatomy of the uterus, including the endometrium and myometrium, as well as the blood supply, nerves, and muscles of the female pudendum.
Anatomy of breast
The document provides details on the anatomy of the female breast:
- The breast is made up of 15-20 lobules of glandular tissue embedded in fat, separated by fibrous septa and ligaments. Each lobule drains into lactiferous ducts that empty into the nipple.
- The blood supply comes from branches of the axillary, internal thoracic, and intercostal arteries. Lymphatic drainage is primarily to the axillary nodes but also to internal mammary nodes.
- During pregnancy and lactation, the breast enlarges as alveoli develop from the ducts to produce milk. After weaning or menopause, the secretory tissue undergoes involution.
Anatomy of the mammary gland MBBS
This is a brief presentation regarding the normal female breaat anatomy which consisting of the gross and internal structure of mammaru gland with its applied aspects (breast carcinoma)
Breast anatomy
This document discusses the anatomy and physiology of the breast. It describes the case of Dr. Nipun, who was the youngest known survivor of breast cancer at age 2 after undergoing a total mastectomy. The breast is an apocrine gland located in the pectoral region that is well-developed in females after puberty. It discusses the lobes, lobules, ducts, stroma, blood supply, lymphatic drainage and development of the breast.
Breast anatomy&physiology
The document summarizes breast anatomy and physiology. It describes the lobes, lobules, lactiferous ducts and other structures that make up the breast. It explains that the breast is supplied by blood vessels and lymphatic drainage passes through axillary nodes. The nipple and areola contain smooth muscle and Montgomery glands. The stages of breast development from fetal through pregnancy and menopause are also outlined.
Male internal genital organ
The male internal genital organs include the testes, epididymis, prostate, seminal vesicles, ejaculatory ducts, and vas deferentia. The testes produce sperm and testosterone. The epididymis stores and transports sperm. The prostate produces fluids that make up semen. The seminal vesicles and prostate secrete fluids that provide nutrition and transport for sperm. These structures work together to produce and transport sperm as part of the male reproductive system.
Anatomy of female genital tract
The cervix is the lowermost part of the uterus that extends into the vagina. It is cylindrical in shape and divided into portions above and within the vagina. The endocervical canal contains ridges and glands lined by columnar epithelium. The ectocervix is covered by squamous epithelium. The cervix secretes mucus to aid sperm transport and acts as a barrier during pregnancy. The vagina is a fibro muscular tube extending from the vulva to the uterus. It has anterior, posterior and lateral walls lined by stratified squamous epithelium and contains glands, muscles and connective tissue. The vagina allows for sexual intercourse, birth and menstrual flow.
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FEMALE Breast anatomy ffffffffffffffffffffffffffff
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1. The mammary gland lies in the superficial fascia of the chest wall and extends from the 2nd to 6th ribs and from the sternum to the midaxillary line.
2. It has no capsule and is made up of glandular, fibrous and fatty tissue arranged in lobes that are drained by lactiferous ducts opening onto the nipple.
3. The mammary gland receives its blood supply from perforating branches of the internal thoracic arteries and the lateral thoracic artery, and drains into axillary, internal thoracic and intercostal veins.
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It's about the microstructure of breast. Function of the breast and words that will help guide you in anatomy. Having little knowledge about caring for yourself and others make a better nation . Breast cancer is real so let's all be aware . People are somehow careless by taking good care of the breast and also feeding the young ones . With this text made will guide more of the lactating moms to care for the young ones
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The document provides information about the female breast (mammary gland), including its:
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IT WILL BE USEFUL FOR PARAMEDICAL AND MEDICAL STUDENTS TO HAVE AN DETAILED INFORMATION OF ANATOMY AND PHYSIOLOGY OF MAMMARY GLAND
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This document describes the anatomy of the breast. It discusses the location and extensions of the breast, its structure including the parenchyma, stroma and blood supply. It also outlines the lymphatic drainage pathways from the breast which are mainly to the axillary nodes but also to internal mammary and intercostal nodes. Surgical approaches and lymph node levels related to breast surgery are defined.
anatomy of the thorax
The document summarizes the topographic anatomy of the thorax. It describes the layers of the thoracic wall including skin, fascia, muscles and pleura. It notes the mammary glands are located between the second and seventh ribs and discusses their structure, blood supply and lymph drainage. The apex of the heart is normally found in the fifth left intercostal space. Surface landmarks and lines of orientation are also outlined.
BREAST.pptx
This document summarizes the anatomy and embryological development of the breast. It describes how the breast develops from mammary ridges in the embryo and can have accessory breasts or nipples from failed regression. The blood supply, innervation, and lymphatic drainage of the breast is outlined. Infectious disorders of the breast are also summarized, including bacterial infections commonly caused by Staphylococcus aureus and Streptococcus in the postpartum period. Treatment involves antibiotics and may require surgical drainage for abscesses.
lecture 5b The breast and pectoral region.pdf
The breast lies in the pectoral region and develops during puberty under the influence of female sex hormones. It is composed of lobules that radiate from the nipple. The breast undergoes changes during pregnancy and menopause. Cancer is a major health concern and can spread via the lymphatic drainage pathways.
The pectoral region contains muscles that act on the arm including the pectoralis major and minor. The serratus anterior muscle rotates the scapula. All three muscles receive nerve innervation from branches of the brachial plexus. Knowledge of the anatomical structures of the breast and pectoral region is important for clinical diagnosis and management.
Breast - Anatomy and Phsiology with Congenital anomalies - Dr. Vijayandra.pptx
This document provides an overview of the anatomy, physiology, and congenital anomalies of the breast. It begins with the embryological development of the breast from mammary ridges. The anatomy sections describe the structure, blood supply, lymphatic drainage and microscopic anatomy. Physiology sections cover development during puberty, the menstrual cycle, pregnancy, lactation and involution. The document concludes with descriptions of common congenital anomalies such as accessory nipples, hypoplasia, amastia and Poland's syndrome.
Pectoral region
This document provides an overview of the anatomy of the pectoral region. It describes the surface landmarks, superficial fascia containing cutaneous nerves, vessels and the platysma muscle. The breast composition and blood supply are explained. The muscles of the pectoral region including pectoralis major, pectoralis minor, subclavius, and serratus anterior are also detailed. Finally, the clavipectoral fascia enclosing the pectoralis minor is briefly outlined.
MAMMARY GLANDS FINAL.pptx
The document discusses the anatomy and physiology of mammary glands. It begins by defining mammary glands as breasts in medical terminology, originating from the Latin word for breasts. It then describes the basic structure of mammary glands, which consist of skin, parenchyma (lobes and ducts), and stroma (connective tissue). The document outlines the development of mammary glands from an embryonic ridge, and their histology in non-pregnant, pregnant, and lactating states. It also reviews the blood supply, lymphatic drainage, and clinical aspects such as breast cancer.
BREAST - ANATOMY AND PHYSIOLOGY.pptx
The breast is a modified sweat gland derived from ectoderm that lies within the superficial fascia. It extends from the 2nd to 6th ribs vertically and from the lateral border of the sternum to the anterior axillary line horizontally. The breast is comprised of 15-20 lobes that drain via lactiferous ducts into the nipple. Lymph drainage is primarily to axillary lymph nodes but also occurs to internal mammary and contralateral lymph nodes. During lactation, hormones such as progesterone, estrogen, and prolactin facilitate milk production and ejection.
PECTORAL_MUSCLES.pptx
The pectoral region contains the pectoral muscles which connect the upper limb to the chest wall. The major pectoral muscle originates from the clavicle, sternum and ribs and inserts on the humerus, adducting and medially rotating the arm. The minor pectoral muscle covers the major and connects the ribs to the coracoid process. The breast overlies the pectoral muscles and contains lobules and ducts draining into the nipple. Lymph from the breast drains primarily to axillary nodes, with the medial breast draining to internal mammary nodes.
Surface anatomy
The document summarizes key anatomical structures in the pectoral region including the breast/mammary gland, axilla, muscles of the pectoral region, and branches of the axillary artery. The pectoral region contains four muscles that connect the upper limb to the chest wall. The axilla is a pyramidal space bounded by walls formed by muscles and ribs. The breast is located in the pectoral region and has an internal structure of skin, parenchyma, and stroma. The axillary artery gives off branches that supply surrounding structures before terminating as the brachial artery in the arm.
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Lecture5 femalebreast-180321033233
- 2. OBJECTIVES • By the end of the lecture, the student should be able to: • Describe the shape and position of the female breast. • Describe the structure of the mammary gland. • List the blood supply of the female breast. • Describe the lymphatic drainage of the female breast. • Describe the applied anatomy in the female breast.
- 3. Parts, Shape & position of the Gland • It is conical in shape. • It lies in superficial fascia of the front of chest. • It has a base, apex and tail. • Its base extends from 2nd to 6th ribs. • It extends from the sternum to the midaxillary line laterally. • It has no capsule.
- 4. SHAPE AND POSITION OF FEMALE BREAST • 2/3 of its base lies on the pectoralis major muscle, while its inferolateral 1/3 lies on: • Serratus anterior & • External oblique muscles. • Its superolateral part sends a process into the axilla called the axillary tail or axillary process.
- 5. • Nipple: • It is a conical eminence that projects forwards from the anterior surface of the breast. • The nipple lies opposite 4th intercostal space. • It carries 15-20 narrow pores of the lactiferous ducts. • Areola : • It is a dark pink brownish circular area of skin that surrounds the nipple. • The subcutaneous tissues of nipple & areola are devoid of devoid of fat. fat. SHAPE AND POSITION OF FEMALE BREAST
- 6. STRUCTURE OF MAMMARY GLAND • It is non capsulated gland. • It consists of lobes and lobules which are embedded in the subcutaneous fatty tissue of superficial fascia. • It has fibrous strands (ligaments of cooper) which connect the skin with deep fascia of pectoralis major. • It is separated from the deep fascia covering the underlying muscles by a layer of loose areolar tissue which forms the retromammary space. What is its Importance? (allows the breast to move freely).
- 7. STRUCTURE OF MAMMARY GLAND • It is formed of 15-20 lobes. • Each lobe is formed of a number of lobules. • The lobes and lobules are separated by interlobar and interlobular fibrous & fatty tissue, called ligaments of Cooper. (Importance)?These ligaments give the breasts support by connecting the skin of the breasts to the pectoralis muscles below them. • It has from 15-20 lactiferous ducts which open by the same number of openings on the summit of the nipple.
- 8. ARTERIAL SUPPLY • 1. Perforating branches of internal thoracic (internal mammary) artery. • 2. Mammary branches of lateral thoracic artery. • 3. Mammary branches of Intercostal arteries.
- 9. VENOUS SUPPLY • Veins are corresponding to the arteries. • Circular venous plexus are found at the base of nipple. • Finally, veins of this plexus drain into axillary & internal thoracic veins.
- 10. AXILLARY LYMPH NODES • They are arranged into 5 groups 5 groups which lie in axillary fat : • Pectoral (Anterior) group : which lies on the pectoralis minor along lateral thoracic vessels. • Subscapular (Posterior) group : which lies on posterior wall of axilla on lower border of subscapularis along subscapular vessels. • Brachial (Lateral) group : lies on lateral wall of axilla along 3rd part of axillary vessels. • Central group : lies in axillary fat at the base of axilla. • Apical group : lies at apex of axilla. • Subclavian lymph trunk: • it is formed by union of efferent lymph vessels of apical group. It usually opens in subclavian vein. On the left side it usually opens into thoracic duct.
- 11. LYMPHATIC DRAINAGE • Subareolar lymphatic plexus : • Lies beneath the areola. • Deep lymphatic plexus: • Lies on the deep fascia covering pectoralis major. • Both plexuses radiate in many directions and drain into different lymph nodes.
- 12. LYMPHATIC DRAINAGE • Central & lateral parts of the gland (75%) drain into pectoral group of axillary lymph nodes. • Upper part of the gland drains into apical group of axillary lymph nodes. • Medial part drains into internal thoracic (parasternal) lymph nodes, forming a chain along the internal thoracic vessels. • Some lymphatics from the medial part of the gland pass across the front of sternum to anastomose with that of opposite side. • Lymphatics from the inferomedial part anastomose with lymphatics of rectus sheath & linea alba, and some vessels pass deeply to anastomose with the sub diaphragmatic lymphatics.
- 13. APPLIED ANATOMY- CANCER BREAST • It is a common surgical condition. • 60% of carcinomas of breast occur in the upper lateral quadrant. • 75% of lymph from the breast drains into the axillary lymph nodes. • In case of carcinoma of one breast, the other breast and the opposite axillary lymph nodes are affected because of the anastomosing lymphatics between both breasts. • In patients with localized cancer breast, a simple mastectomy, followed by radiotherapy to the axillary lymph nodes is the
- 14. Applied Anatomy • The lactiferous ducts are radially arranged from the nipple, so incision of the gland should be made in a radial direction to avoid cutting through the ducts. • Infiltration of the ligaments of Cooper by breast cancer leads to its shortening giving peau de’orange appearance of the breast.
- 15. Mammary ridge Mammary ridge • Mammary ridge Mammary ridge extends from the extends from the axilla axilla to the to the inguinal region. inguinal region. • In human, In human, the ridge the ridge disappears disappears EXCEPT EXCEPT for a for a small part in the small part in the pectoral region pectoral region. . • In animals, In animals, several several mammary glands mammary glands are are formed along this ridge. formed along this ridge.
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