神經(jīng)解剖學(xué)課件：Ear Pharynx

1、Ear & Pharynx Features of the Ear Structures inside Tympanic Cavity & Its Walls Understanding the Function of the Inner Ear Muscles & Structures of PharynxOUTLINEThe Ear external ear middle ear internal earExternal Acoustic MeatusInternal Acoustic MeatusPharyngotympanic TubeThe External Ear auricle

2、- helix antihelix - tragus antitargus - lobule - opening of EAM external acoustic meatus - cartilaginous part - bony partThe AuricleThe Lymphatic Drainage of Auricle mastoid (retroauricular) lymph nodes superficial parotid lymph nodes deep parotid lymph nodes deep cerivical lymph nodesThe External A

3、coustic MeatusFeatures of the Auricle & Innervation of the External EarThe Middle Ear superior (tegmental) wall inferior (jugular) wall lateral (membranous) wall medial (labyrinthine) wall anterior (carotid) wall posterior (mastoid) wallThe Membranous(Lateral) Wall tympanic membrane malleusThe Tegme

4、ntal (Superior) Wall epitympanic recessTympanic MembraneOtoscopic ExaminationThe Auditory Ossicles tensor tympani muscle stapedius muscle chorda tympani nerveThe Labyrinthine (Medial) Wall vestibular (oval) window cochlear (round) window promontory (lesser petrosal nerve & tympanic plexus tympanic n

5、erve) facial nerve canal (facial nerve) prominence lateral semicircular cancalThe Labyrinthine WallThe Posterior (Mastoid) WallThe Anterior (Carotid) WallThe Inferior (Jugular) Wall contents of the middle ear - auditory ossicles - stapedius & tensor tympani muscles - chorda tympani nerve - tympanic

6、plexusRelations of Tympanic CavityStructures inside Tympanic Cavity mastoid antrum mastoid air cellThe Communication of the Middle Ear laterally: external acoustic meatus medially: inner ear anteriorly: pharygotympanic tube posteriorly: mastoid antrum & mastoid air cellCommunication Tympanic CavityR

7、elation between Tympanic Cavity & Inner Ear greater petrosal nerve geniculate ganglionThe Pharygotympanic TubeThe Internal Ear contents of the inner ear - labyrinth - vestibulocochlear nerve - facial nerve boney labyrinth membranous labyrinthThe LabyrinthSemicircular Canals utricle and saccule limb

8、(curs) of semicircular canal common limb (curs) ampulla of semicircular canal endolymphatic ductThe Inner Structure of CochleaNerve Endings of the Vestibulochochlear NerveVestibular & Auditory Projection pathwaysThe Facial Nerve & Intermedate NerveBlood Supply of the EarOverview of the Pharynx nasop

9、harynx oropharynx laryngopharynxSkeleton Framework of the Pharynx & The Retropharyngeal SpaceThe pharyngeal Constrictor Muscles superior constrictor middle constrictor inferior constrictorLevator Veli PalatniTensor Veli PalatniPalatopharyngeusImportant Muscles of the Pharynx Cricopharyngeus MuscleStylopharyngeus MuscleThe Nasopharynx pharyngeal opening of pharyngotympanic (auditory) tube tubal torus pharyngeal recessPharyngeal tonsilThe OropharynxArterial Supply of Pharyngeal tonsilThe LaryngopharynxThe Nerves & Vessels glossopharyngeal nerve hyp