Download Objectives - Eye and Ear

Objectives - Eye and Ear
these are special sensory systems, i.e., part of the nervous system
Eye
extrinsic muscles of eye and their innervation
oculomotor nerve - superior, medial and inferior rectus, inferior oblique, and levator palpebrae superior
muscles
abducens nerve - lateral rectus muscle
trochlear nerve - superior oblique muscle
intrinsic muscles of eye: ciliary muscle and iris, autonomic innervation from oculomotor nerve
lacrimal gland, autonomic innervation proximately from the oculomotor nerve but originating from the facial nerve
blood vessels of the eye
central artery and vein, superior and inferior temporal, superior and inferior nasal arteries
chambers of the eye
anterior, posterior, vitreous body
accomodation vs adaptation
parts of eye to know:
conjunctiva, cornea, limbus, anterior chamber, iris, lens, posterior chamber, ciliary muscle and ciliary body,
suspensory ligaments of lens, sinus venosus sclerae (canal of Schlemm), ora serrata, vitreous body, retina,
fovea centralis, optic disc, macula, uvea, choroid, sclera, optic nerve, lacrimal gland, lacrimal duct
Ear
cochlear vs vestibular systems
chambers
external, middle, and inner ear
parts of ear to know:
pinna, external auditory meatus, tympanic membrane, mastoid sinus, eustacian canal (auditory tube),
auditory ossicles (malleus, incus, and stapes), tensor tympani and stapedius muscles, foramen rotundum,
foramen ovalis, vestibule, endolymph, perilymph, cochlea, scala vestibuli, scala media, scala tympani,
organ of Corti, utricle, semicircular canals, ampullae, saccule, endolymphatic duct and sac