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Eye/Ear NWHSU

Eye and ear anatomy for gross anatomy 2

QuestionAnswer
Specifically, where are the optic maculae located? Lateral to optic disc
Triangluar space at medial angle of eye where tears collect. Lacrimal lake
Name the adductor muscles of the eye. Medial, superior, and inferior rectus mm.
List the structures concerning the flow of aqueous humor in the eye beginning with ciliary body. Ciliary body > posterior chamber > pupil > anterior chamber > trabeculae > scleral venous sinus > vein.
Small reddish conical body of skin containing sebaceous and sweat glands; produces a whitish secretion. Lacrimal caruncle in lacrimal lake
Chamber between the iris and lens. Posterior chamber of the eye
Name the abductor muscles of the eye. Lateral rectus, superior oblique, inferior oblique
The minute small cavities at junction of the iris and cornea and drains aqueous humor from the anterior chamber of the eye? Trabeculae
Small openings into the superior and inferior lacrimal canaliculi. Superior and inferior lacrimal puncta
Named branch of CN7 passing through the middle ear just medial to the malleus. Chorda tympani n.
Branch of CN7 that conducts taste from the anterior 2/3rd of the tongue and some autonomics to the salivary glands. Chorda tympani n.
Dorsal projection of the exernal ear, located anterior to concha and over the orifice of the external acoustic meatus. Tragus
Chamber of cochlea into which round window opens. Scala tympani
Specifically where are the auditory maculae? Wall of utricle and saccule
Fluid found in the membranous labyrinth. Endolymph
Outer rim of the auricle. Helix
The _____ ossicle fits into the ____ window. Stapes, oval
The triangular cochlear duct is separated from the scala vestibule by ____, and separated from the scala tympani by the ____. Vestibular membrane, basilar membrane
Suspensory ligaments travel from the lens to the ____. Ciliary body
Name the receptor for static equilibrium. Maculae
Portion of osseous labyrinth into which oval window opens. Vestibuli
Innervation of tensor tympani. CN5-mandibular
Deepest depression of the auricle. Concha
Cutaneous nerves of the auricle. Great auricular, auriculotemporal
Name the walls of the tympanic cavity. Tegmental (roof), jugular (floor), membranous (lateral), labyrinthine (medial)
Structure that connects the tympanic cavity to the nasopharynx. Pharyngotympanic tube
Nerve to stapedius arises from ___. CN7
Path of sound waves from EAM to inner ear. Tympanic membrane > ossicles > stapes > oval window > perilymph > scala vestibuli > helicotrema > scala tympani > basilar membrane > hair cells > cochlear nerve.
The transparent mucous membrane covering the internal eyelid. Palpebral conjunctiva
Production of lacrimal fluid is stimulated by parasympathetic impulses from ____. CN7
The fibrous outer layer of the eyeball. Sclera
The dark reddish brown layer between the sclera and the retina. Choroid
The two involuntary muscles controlling the size of the pupil. Sphincter pupillae, dilator pupillae
The depression in the center of the macula lutea. Fovea centralis
Muscle that elevated superior eyelid. Levator palbebrae superioris.
Muscles that rotate eyeball laterally. Inferior oblique, inferior rectus
Muscles that rotate eyeball medially. Superior oblique, superior rectus
Located in the lateral aspect of the roof of the orbit, it has both superior and inferior parts. Lacrimal gland
Duct running from lacrimal sac and opening into nasal cavity. Nasolacrimal duct
A semilunar fold of conjunctiva. Plica semilunaris
Drains aqueous humor from the trabeculae and delivers it to small veins in the immediate area. Scleral venous sinus (Canal of Schlemm)
In night vision animals, the choroid has reflective, iridescent portions termed _____. Tapetum lucidum
The ossicles transform the pressure on the tympanic membrande to a ____ times greater pressure on the cochlear fluid. 22
Modified sweat glands in the external acoustic meatus secrete ____. Cerumen
Three canals branching posterolateral from the vestibule. Semicircular canals
Created by: sdschwartz