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The pharyngeal plexus of nerves is formed by the union of the pharyngeal branches of the vagus and glossopharyngeal nerves and the laryngopharyngeal branch of the superior cervical sympathetic ganglion. It lies in the buccopharyngeal fascia, superficial to the constrictor muscles, especially the middle constrictor. The glossopharyngeal nerve supplies sensory fibers to the oropharynx mucosa and parasympathetic fibers to the glands of this region. The vagus nerve carries motor fibers to the pharynx muscles except stylopharyngeus and the soft palate muscles except the tensor. The nasopharynx and laryngopharynx do not receive
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Cranial nerves x,xi & xii
Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic Dentistry, Periodontics and General Dentistry.
GLASSOPHARYNGEAL NERVE
INTRODUCTION- GLASSOPHARYNGEAL NUCLEI-FUNCTIONAL COMPONENT-COURSE AND DISTRIBUTION-TERMINATION -BRANCHES-PARASYMPATHETIC COMPONENT-CLINICAL ANATOMY-REFERENCES
ix x.pptx
The trigeminal nerve is the largest of the cranial nerves. It has both sensory and motor functions. Sensory fibers carry general somatic afferent information from the face to the trigeminal ganglion. Motor fibers innervate the muscles of mastication. The trigeminal nerve emerges from the pons and divides into three main branches: the ophthalmic, maxillary, and mandibular nerves. These branches innervate different regions of the face and cranium, carrying sensory information and motor commands. Injuries or diseases of the trigeminal nerve can cause sensory deficits or neuropathic pain conditions like trigeminal neuralgia.
Parotid Gland
The parotid gland is the largest salivary gland that produces serous saliva. It is located in the parotid region below and in front of each ear. The parotid gland receives secretomotor innervation from the auriculotemporal nerve which causes watery secretion. It drains into the parotid duct which opens into the mouth opposite the upper second molar. The parotid gland is supplied by branches from the external carotid artery and drains into the external jugular vein.
Glossopharyngeal nerve
The glossopharyngeal nerve is the ninth cranial nerve. It exits the brainstem between the olive and inferior cerebellar peduncle, passing through the jugular foramen. It has both sensory and motor functions, including taste sensation from the posterior tongue, sensation from the pharynx and middle ear, and motor innervation of the stylopharyngeus muscle. It also provides parasympathetic input to the parotid gland. Damage can cause loss of taste, swallowing issues, and impaired gag reflex.
E.N.T 5th year, 1st lecture (Dr. Sherko)
The document provides detailed information about the anatomy and physiology of the pharynx. It is divided into three parts - the nasopharynx, oropharynx, and laryngopharynx. It describes the layers of the pharyngeal wall and muscles. Important structures like the tonsils, soft palate, and various folds are explained. The document also covers the functions of the pharyngeal lymphoid tissues, the three stages of deglutition, and sounds that can be heard during swallowing.
Trigeminal nerve (1)
trigeminal nerve : 5th cranial nerve , its course and distribution
related diseases
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Temporal & infratemporal regions II
The trigeminal nerve divides into three major branches - ophthalmic, maxillary, and mandibular nerves. These branches innervate the face and associated structures. The maxillary nerve passes through multiple foramina and fossae, supplying structures like the orbit, palate, nasal cavity and upper lip. The mandibular nerve divides into anterior and posterior branches that innervate muscles like the masseter and tissues of the lower face and oral cavity. Key ganglia like the pterygopalatine and otic relay parasympathetic fibers to glands like the parotid.
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GLASSOPHARYNGEAL NERVE
INTRODUCTION- GLASSOPHARYNGEAL NUCLEI-FUNCTIONAL COMPONENT-COURSE AND DISTRIBUTION-TERMINATION -BRANCHES-PARASYMPATHETIC COMPONENT-CLINICAL ANATOMY-REFERENCES
ix x.pptx
The trigeminal nerve is the largest of the cranial nerves. It has both sensory and motor functions. Sensory fibers carry general somatic afferent information from the face to the trigeminal ganglion. Motor fibers innervate the muscles of mastication. The trigeminal nerve emerges from the pons and divides into three main branches: the ophthalmic, maxillary, and mandibular nerves. These branches innervate different regions of the face and cranium, carrying sensory information and motor commands. Injuries or diseases of the trigeminal nerve can cause sensory deficits or neuropathic pain conditions like trigeminal neuralgia.
Parotid Gland
The parotid gland is the largest salivary gland that produces serous saliva. It is located in the parotid region below and in front of each ear. The parotid gland receives secretomotor innervation from the auriculotemporal nerve which causes watery secretion. It drains into the parotid duct which opens into the mouth opposite the upper second molar. The parotid gland is supplied by branches from the external carotid artery and drains into the external jugular vein.
Glossopharyngeal nerve
The glossopharyngeal nerve is the ninth cranial nerve. It exits the brainstem between the olive and inferior cerebellar peduncle, passing through the jugular foramen. It has both sensory and motor functions, including taste sensation from the posterior tongue, sensation from the pharynx and middle ear, and motor innervation of the stylopharyngeus muscle. It also provides parasympathetic input to the parotid gland. Damage can cause loss of taste, swallowing issues, and impaired gag reflex.
E.N.T 5th year, 1st lecture (Dr. Sherko)
The document provides detailed information about the anatomy and physiology of the pharynx. It is divided into three parts - the nasopharynx, oropharynx, and laryngopharynx. It describes the layers of the pharyngeal wall and muscles. Important structures like the tonsils, soft palate, and various folds are explained. The document also covers the functions of the pharyngeal lymphoid tissues, the three stages of deglutition, and sounds that can be heard during swallowing.
Trigeminal nerve (1)
trigeminal nerve : 5th cranial nerve , its course and distribution
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Temporal & infratemporal regions II
The trigeminal nerve divides into three major branches - ophthalmic, maxillary, and mandibular nerves. These branches innervate the face and associated structures. The maxillary nerve passes through multiple foramina and fossae, supplying structures like the orbit, palate, nasal cavity and upper lip. The mandibular nerve divides into anterior and posterior branches that innervate muscles like the masseter and tissues of the lower face and oral cavity. Key ganglia like the pterygopalatine and otic relay parasympathetic fibers to glands like the parotid.
Clinical anatomy of 9 th cranial nerve
The glossopharyngeal nerve (CN IX) exits the brainstem and has several functions:
- It provides general and special sensory innervation to the back third of the tongue (taste sensation), tonsils, middle ear, and pharynx.
- It supplies a parasympathetic branch that stimulates saliva production in the parotid gland.
- It provides motor innervation to the stylopharyngeus muscle, which elevates the pharynx during swallowing.
The nerve exits the skull via the jugular foramen and branches to innervate its target areas.
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The pharynx is a muscular tube located behind the nose, mouth, and larynx. It has 3 parts - the nasopharynx, oropharynx, and laryngopharynx. The pharynx connects the nasal cavity, oral cavity, and larynx anteriorly and is continuous with the esophagus inferiorly. It contains structures like the soft palate, uvula, tonsils, and muscles that help with swallowing and speech. The pharynx receives innervation from the pharyngeal plexus and branches of the glossopharyngeal, vagus, and accessory nerves. Blood is supplied by branches of the external carotid artery and lymphatic drainage occurs into the retrophary
akanksha. pptx.pptx
The pharynx is a muscular tube located behind the nose, mouth, and larynx. It has three parts - the nasopharynx, oropharynx, and laryngopharynx. The pharynx connects the nasal cavity, oral cavity, and larynx anteriorly and continues into the esophagus inferiorly. It is innervated by the pharyngeal plexus and has both longitudinal and outer constrictor muscles. Structures in the pharynx include the soft palate, tonsils, epiglottis, and pyriform sinuses. The pharynx serves to transport air and food while providing sensory function.
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Anatomy of pterygopalatine fossa, infra temporal space
1) The infratemporal fossa and pterygopalatine fossa are two important anatomical spaces located in the skull.
2) The infratemporal fossa contains muscles like the temporalis and pterygoid muscles, nerves like the mandibular and maxillary nerves, and vessels like the maxillary artery.
3) The pterygopalatine fossa is a small triangular space that connects to other areas through openings and contains the maxillary nerve, pterygopalatine ganglion, and branches of the maxillary artery.
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1. The trigeminal nerve is the largest of the twelve cranial nerves and provides sensory innervation to the face and motor innervation to the muscles of mastication.
2. It has three major divisions - the ophthalmic, maxillary, and mandibular nerves. The ophthalmic nerve is sensory and innervates the eye and surrounding structures. The maxillary nerve is sensory and innervates facial structures in the cheek region. The mandibular nerve has both sensory and motor fibers that innervate the chin and lower face regions and muscles of mastication respectively.
3. Each division has numerous branches that provide detailed sensory and motor innervation to the face, oral cavity,
cranial nerves by rabia zulfiqar
The document summarizes the 12 cranial nerves, including their origins, paths through the skull, branches, and functions. Key points include:
- Cranial nerves I-VI originate in the brain, while VII-XII originate in the brainstem
- They have both motor and sensory components that innervate structures of the head and neck like muscles, sense organs, and glands
- The trigeminal nerve is the largest cranial nerve and has three major divisions that innervate the face
- The optic nerve carries visual information from the eyes to the brain
- Cranial nerves exit the skull through various foramina to innervate their target structures
Trigeminal nerve & Applied Anatomy
The trigeminal nerve is the 5th cranial nerve and largest cranial nerve. It is a mixed nerve with both motor and sensory components. The trigeminal nerve has three major divisions - ophthalmic, maxillary, and mandibular which supply sensation to the face and motor innervation to the muscles of mastication. Trigeminal neuralgia is a condition characterized by sudden, severe facial pain and is commonly triggered by light touch to specific facial areas innervated by the trigeminal nerve.
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This document provides an overview of the nerve supply of the maxilla and mandible. It begins with an introduction to the trigeminal nerve and its three divisions - the ophthalmic, maxillary, and mandibular nerves. It then describes the branches and distributions of the maxillary and mandibular nerves in detail. The maxillary nerve provides sensation to the midface and upper teeth while the mandibular nerve provides both motor innervation to the muscles of mastication and sensation to the lower teeth.
Trigeminal nerve
The trigeminal nerve is a mixed nerve that is the largest of the cranial nerves. It has both sensory and motor functions. Sensory branches provide sensation to the face and motor branches innervate the muscles of mastication. The trigeminal nerve has three major divisions - ophthalmic, maxillary, and mandibular nerves. These divisions branch further to innervate specific regions of the face. The trigeminal ganglion contains the cell bodies of pseudounipolar neurons that relay sensory information from the face to the brainstem trigeminal nuclei.
Trigeminal Nerve And Endodontics
1. The trigeminal nerve is the largest of the cranial nerves and has three main divisions - the ophthalmic, maxillary, and mandibular nerves. It provides sensory innervation to most of the face and motor innervation to the muscles of mastication.
2. The trigeminal ganglion contains the cell bodies of the sensory fibers. It gives rise to the three divisions which have numerous branches that innervate the face, scalp, and oral cavity.
3. Clinical considerations for trigeminal nerve blocks and other procedures include risks of bleeding, infection, nerve injury, hematoma formation, and diplopia if local
Foramina of the Skull and the Structures that Pass Through
This document lists and describes over 60 anatomical openings, canals, and foramina of the human skull. Key structures mentioned include:
- The foramina of the cribriform plate which transmit the olfactory nerves.
- The superior and inferior orbital fissures which transmit nerves and vessels to the orbit, including the oculomotor, trochlear and abducent nerves.
- The foramen ovale, rotundum, and spinosum which transmit vessels and nerves like the mandibular and maxillary nerves.
- The foramen magnum, jugular foramen, and hypoglossal canal which allow passage of structures like the spinal cord, cranial nerves
Pharynx
The pharynx is a musculofibrous tube that connects the nasal and oral cavities to the larynx and esophagus. It has 5 layers - mucosa, submucosa, pharyngobasilar fascia, muscular layer, and buccopharyngeal fascia. The muscular layer contains the 3 pharyngeal constrictor muscles. The pharynx is divided into 3 parts - nasopharynx, oropharynx, and laryngopharynx. It is supplied by the pharyngeal plexus and drained by pharyngeal veins. Infections can spread from the pharynx to the middle ear through the auditory tube. The killian deh
Ix nerve
The glossopharyngeal nerve (CN IX) emerges from the medulla and exits the skull through the jugular foramen. It has sensory and motor functions. Sensory fibers innervate the posterior third of the tongue, tonsils, pharynx, and middle ear. Motor fibers innervate the stylopharyngeus muscle. Parasympathetic fibers pass to the otic ganglion to ultimately innervate the parotid gland and stimulate saliva secretion.
Facial nerve
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pharynx part1
The pharynx is about 12 cm long and extends from the base of the skull to the lower border of the cricoid cartilage. It is divided into 3 parts: the nasopharynx, oropharynx, and laryngopharynx. The nasopharynx is behind the nasal cavity and opens into the oropharynx. The oropharynx extends from the soft palate to the epiglottis and opens into the oral cavity. The laryngopharynx extends from the epiglottis to the lower border of the cricoid cartilage. Three pairs of constrictor muscles and other muscles like the stylopharyngeus allow the pharynx to
Trigeminal nerve maxillary nerve and clinical implication
The document discusses the maxillary branch of the trigeminal nerve and its clinical implications. It begins by describing the basic anatomy of neurons, nerves and cranial nerves. It then focuses on the trigeminal nerve as the fifth cranial nerve, describing its nuclei, ganglion and three main branches - the ophthalmic, maxillary and mandibular nerves. Most of the document details the anatomy and branches of the maxillary nerve, including those in the pterygopalatine fossa, orbit, infraorbital canal and face. It concludes by discussing three clinical implications - trigeminal neuralgia, herpes zoster ophthalmicus and Wallenberg syndrome.
Trigeminal nerve
This document provides an overview of the trigeminal nerve (CN V), including its embryology, structure, branches and clinical applications. It describes the three divisions of the trigeminal nerve - ophthalmic, maxillary and mandibular nerves. The trigeminal ganglion and its sensory and motor roots are discussed. The branches and functions of the ophthalmic, maxillary and mandibular nerves are summarized. Regional nerve blocks associated with the trigeminal nerve such as the greater palatine nerve block are also outlined. Anatomical variations of the trigeminal nerve and maxillary nerve are noted.
Vagus nerve
Surface marking, origin, functional components,course,branches, areas supplied and clinical anatomy of the 10th cranial nerve i.e.Vagus
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Clinical anatomy of 9 th cranial nerve
The glossopharyngeal nerve (CN IX) exits the brainstem and has several functions:
- It provides general and special sensory innervation to the back third of the tongue (taste sensation), tonsils, middle ear, and pharynx.
- It supplies a parasympathetic branch that stimulates saliva production in the parotid gland.
- It provides motor innervation to the stylopharyngeus muscle, which elevates the pharynx during swallowing.
The nerve exits the skull via the jugular foramen and branches to innervate its target areas.
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The pharynx is a muscular tube located behind the nose, mouth, and larynx. It has 3 parts - the nasopharynx, oropharynx, and laryngopharynx. The pharynx connects the nasal cavity, oral cavity, and larynx anteriorly and is continuous with the esophagus inferiorly. It contains structures like the soft palate, uvula, tonsils, and muscles that help with swallowing and speech. The pharynx receives innervation from the pharyngeal plexus and branches of the glossopharyngeal, vagus, and accessory nerves. Blood is supplied by branches of the external carotid artery and lymphatic drainage occurs into the retrophary
akanksha. pptx.pptx
The pharynx is a muscular tube located behind the nose, mouth, and larynx. It has three parts - the nasopharynx, oropharynx, and laryngopharynx. The pharynx connects the nasal cavity, oral cavity, and larynx anteriorly and continues into the esophagus inferiorly. It is innervated by the pharyngeal plexus and has both longitudinal and outer constrictor muscles. Structures in the pharynx include the soft palate, tonsils, epiglottis, and pyriform sinuses. The pharynx serves to transport air and food while providing sensory function.
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Introduction about ANS. types of parasymphattheytic ganglion connections with very good quality pictures
quick revision at the end
Anatomy of pterygopalatine fossa, infra temporal space
1) The infratemporal fossa and pterygopalatine fossa are two important anatomical spaces located in the skull.
2) The infratemporal fossa contains muscles like the temporalis and pterygoid muscles, nerves like the mandibular and maxillary nerves, and vessels like the maxillary artery.
3) The pterygopalatine fossa is a small triangular space that connects to other areas through openings and contains the maxillary nerve, pterygopalatine ganglion, and branches of the maxillary artery.
Innervation of teeth
1. The trigeminal nerve is the largest of the twelve cranial nerves and provides sensory innervation to the face and motor innervation to the muscles of mastication.
2. It has three major divisions - the ophthalmic, maxillary, and mandibular nerves. The ophthalmic nerve is sensory and innervates the eye and surrounding structures. The maxillary nerve is sensory and innervates facial structures in the cheek region. The mandibular nerve has both sensory and motor fibers that innervate the chin and lower face regions and muscles of mastication respectively.
3. Each division has numerous branches that provide detailed sensory and motor innervation to the face, oral cavity,
cranial nerves by rabia zulfiqar
The document summarizes the 12 cranial nerves, including their origins, paths through the skull, branches, and functions. Key points include:
- Cranial nerves I-VI originate in the brain, while VII-XII originate in the brainstem
- They have both motor and sensory components that innervate structures of the head and neck like muscles, sense organs, and glands
- The trigeminal nerve is the largest cranial nerve and has three major divisions that innervate the face
- The optic nerve carries visual information from the eyes to the brain
- Cranial nerves exit the skull through various foramina to innervate their target structures
Trigeminal nerve & Applied Anatomy
The trigeminal nerve is the 5th cranial nerve and largest cranial nerve. It is a mixed nerve with both motor and sensory components. The trigeminal nerve has three major divisions - ophthalmic, maxillary, and mandibular which supply sensation to the face and motor innervation to the muscles of mastication. Trigeminal neuralgia is a condition characterized by sudden, severe facial pain and is commonly triggered by light touch to specific facial areas innervated by the trigeminal nerve.
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This document provides an overview of the nerve supply of the maxilla and mandible. It begins with an introduction to the trigeminal nerve and its three divisions - the ophthalmic, maxillary, and mandibular nerves. It then describes the branches and distributions of the maxillary and mandibular nerves in detail. The maxillary nerve provides sensation to the midface and upper teeth while the mandibular nerve provides both motor innervation to the muscles of mastication and sensation to the lower teeth.
Trigeminal nerve
The trigeminal nerve is a mixed nerve that is the largest of the cranial nerves. It has both sensory and motor functions. Sensory branches provide sensation to the face and motor branches innervate the muscles of mastication. The trigeminal nerve has three major divisions - ophthalmic, maxillary, and mandibular nerves. These divisions branch further to innervate specific regions of the face. The trigeminal ganglion contains the cell bodies of pseudounipolar neurons that relay sensory information from the face to the brainstem trigeminal nuclei.
Trigeminal Nerve And Endodontics
1. The trigeminal nerve is the largest of the cranial nerves and has three main divisions - the ophthalmic, maxillary, and mandibular nerves. It provides sensory innervation to most of the face and motor innervation to the muscles of mastication.
2. The trigeminal ganglion contains the cell bodies of the sensory fibers. It gives rise to the three divisions which have numerous branches that innervate the face, scalp, and oral cavity.
3. Clinical considerations for trigeminal nerve blocks and other procedures include risks of bleeding, infection, nerve injury, hematoma formation, and diplopia if local
Foramina of the Skull and the Structures that Pass Through
This document lists and describes over 60 anatomical openings, canals, and foramina of the human skull. Key structures mentioned include:
- The foramina of the cribriform plate which transmit the olfactory nerves.
- The superior and inferior orbital fissures which transmit nerves and vessels to the orbit, including the oculomotor, trochlear and abducent nerves.
- The foramen ovale, rotundum, and spinosum which transmit vessels and nerves like the mandibular and maxillary nerves.
- The foramen magnum, jugular foramen, and hypoglossal canal which allow passage of structures like the spinal cord, cranial nerves
Pharynx
The pharynx is a musculofibrous tube that connects the nasal and oral cavities to the larynx and esophagus. It has 5 layers - mucosa, submucosa, pharyngobasilar fascia, muscular layer, and buccopharyngeal fascia. The muscular layer contains the 3 pharyngeal constrictor muscles. The pharynx is divided into 3 parts - nasopharynx, oropharynx, and laryngopharynx. It is supplied by the pharyngeal plexus and drained by pharyngeal veins. Infections can spread from the pharynx to the middle ear through the auditory tube. The killian deh
Ix nerve
The glossopharyngeal nerve (CN IX) emerges from the medulla and exits the skull through the jugular foramen. It has sensory and motor functions. Sensory fibers innervate the posterior third of the tongue, tonsils, pharynx, and middle ear. Motor fibers innervate the stylopharyngeus muscle. Parasympathetic fibers pass to the otic ganglion to ultimately innervate the parotid gland and stimulate saliva secretion.
Facial nerve
Special Thanx to Ann Linet Paul(2007-2011)optometry batch Alsalama College Of Optometry,Perinthalmanna)
pharynx part1
The pharynx is about 12 cm long and extends from the base of the skull to the lower border of the cricoid cartilage. It is divided into 3 parts: the nasopharynx, oropharynx, and laryngopharynx. The nasopharynx is behind the nasal cavity and opens into the oropharynx. The oropharynx extends from the soft palate to the epiglottis and opens into the oral cavity. The laryngopharynx extends from the epiglottis to the lower border of the cricoid cartilage. Three pairs of constrictor muscles and other muscles like the stylopharyngeus allow the pharynx to
Trigeminal nerve maxillary nerve and clinical implication
The document discusses the maxillary branch of the trigeminal nerve and its clinical implications. It begins by describing the basic anatomy of neurons, nerves and cranial nerves. It then focuses on the trigeminal nerve as the fifth cranial nerve, describing its nuclei, ganglion and three main branches - the ophthalmic, maxillary and mandibular nerves. Most of the document details the anatomy and branches of the maxillary nerve, including those in the pterygopalatine fossa, orbit, infraorbital canal and face. It concludes by discussing three clinical implications - trigeminal neuralgia, herpes zoster ophthalmicus and Wallenberg syndrome.
Trigeminal nerve
This document provides an overview of the trigeminal nerve (CN V), including its embryology, structure, branches and clinical applications. It describes the three divisions of the trigeminal nerve - ophthalmic, maxillary and mandibular nerves. The trigeminal ganglion and its sensory and motor roots are discussed. The branches and functions of the ophthalmic, maxillary and mandibular nerves are summarized. Regional nerve blocks associated with the trigeminal nerve such as the greater palatine nerve block are also outlined. Anatomical variations of the trigeminal nerve and maxillary nerve are noted.
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Surface marking, origin, functional components,course,branches, areas supplied and clinical anatomy of the 10th cranial nerve i.e.Vagus
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presentation6-150501145405-conversion-gate01.pptx
- 2. Pharyngeal plexus of nerve Formed by union of pharyngeal branches of vagus and glossopharyngeal and the laryngopharyngeal branch of superior cervical sympathatic ganglion Lying in connective tissue(buccopharyngeal fascia,superficial to constrictor muscles,especially middle constrictor
- 4. Nerve supply Glossopharyngeal supplies sensory fibers for mucous membrane of oropharynx and parasympathetic (secretomotor) fibers to the glands of this region The pharyngeal branch of vagus carries motor fibers for the muscles of pharynx except (stylopharngeus) and soft palate (except the tensor).
- 5. Nerve supply Mucous membrane of nasopharynx and laryngopharynx is not innervated by pharyngeal plexus Nasopharynx is supplied with general sensory (trigiminal) and postganglionic parasympathetic (originally facial) fibers through pharyngeal branch of pterygopalatine ganglion The laryngopharynx receives its sensory and parasympathetic innervation through internal and recurrent laryngeal branches of vagus
- 6. Blood supply The pharynx receives blood from ascending pharyngeal branch of external carotid artery The ascending palatine and tonsillar branches of facial artery The greater palatine and pharyngeal branches of maxillary t Branches of lingual artery and from superior and inferior laryngeal branches of superior and inferior thyroid artery Lymphatic drainage through retropharngeal nodes
- 7. Relationships of pharynx Posteriorly contact prevertebral fascia The small amount of loose connective tissue between fascia and pharyngeal wall called retropharngeal space Anterior relationships of pharynx from above downwards: (posterior nasal apertures,soft palate,oral cavity,posterior surface of tongue , epiglottis and larynx) Laterally pharynx related to carotid sheath ,styloid apparatus,glossopharyngeal nerve and pharyngeal and superior laryngeal branch of vagus