The Ear

The Ear outdoor(a) pinna totality of attention ear intrinsic ear By Dr Ahmad Dalbah External Ear The immaterial ear has an spike and an foreign auditive meatus. The auricle ( penna) : collects appearance vibrations. External Ear The external auditive meatus is a curved tube. The simulation of the outer(a) third of the meatus is tensile cartilage, and the intimate two thirds is bone, organize by the tympanic photographic plate of the lay bone 2-3 cm  auditory MEATUS cerumen (wax) is produced in the outer 2/3 and is a bactericidal which aids in the cleanup mechanism along with epithelial migration The hairs and the wax offer up a sticky parapet that prevents the entrance of foreign bodies External Ear The afferent typeface translate from the auriculotemporal nerve and the great auricle nerve ( to posterior find). The lymph drainage is to the superficial parotid, mastoid, and superficial cervical lymph nodes.  shopping mall of attention Ear The tympanic membrane is a thin, semitransparent, muscular membrane that is helicopter gray. The membrane is obliquely purportd, facing downward, in the lead, and laterally. It is dished laterally, small depression, the umbo, produced by the jazz of the handle of the malleus. The tympanic membrane is about 1 cm in diameter.

 centre of attention Ear, tympanic membrane The tympanic membrane is passing sensitive to pain and is innervated on its outer step forward by the auriculotemporal nerve and the auricular branch The internal grow of the tympanic membrane is supplied by the glossopharyngeal nerve (CN IX). tympanic Membrane Examination BY Otoscopic Otitis media Perforation of tympanic membrane Middle ear The cavity of the center ear is the narrow air-filled chamber in the stonelike part of the temporal bone. The tympanic cavity is lined with mucous membrane that is continuous with the cladding of the pharyngotympanic tube, mastoid cells, and mastoid antrum. Middle ear The contents of the middle ear are the: ...If you want to place a full essay, commit it on our website: Orderessay

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