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ANT Lab 28-31

Anatomy Lab 28 - 30

QuestionAnswer
olfactory nerves (I) smell
optic nerves (II) vission
oculomotor nerves (III) pupil contriction and opens eyelid
trochlear nerves (IV) stimulate superior oblique eye muscle
trigeminal nerves (V) sensory from face and teeth and mastication movements
abducens nerves (VI) lateral eye movements
facial nerves (VII) salivaiton, tear secretions, and taste
vestibulochlear nerves (VIII) hearing and balance
glossopharyngeal nerves (IX) control swallowing movements
vagus nerves (X) regulate many visceral organs including the heart rate
accessory nerves (XI) control neck and should muscles
hypoglossal nerves (XII) control tongue movements
Cone-shaped structure attached to upper posterior portion of diencephalon pineal gland
connects cerebral hemispheres corpus callosum
ridge on surface ocerebrum gyrus (convolution)
separates frontal and parietal lobes central sulcus
part of brainstem between diencephalon and pons midbrain
rounded bulge on underside of brainstem pons
part of brainstem continuous with the spinal cord medulla oblongata
internal brain chamber filled with cerebrospinal fluid ventricle
contains thalamus and hypothalamus diencephalon
thin layer of grap matter on surface of cerebrum cerebral cortex
What part of the ear collects sound? outer (external) ear
What part of the ear conducts sound? middle ear
What part of the ear receives sound? inner (internal) ear
auditory ossicle attached to eardrum malleus
air-filled space containing auditory ossicles osseous (bony) labryinth
contacts hairs of hearing receptors tectorial membrane
leads from oval window to apex of cochlea scala vestibuli
s-shaped tube leading to eardrum external acoustic meatus
cone-shaped, semitransparent membrane attached to malleus eardrum
auditory ossicle attached to oval window stapes
contians endolymph membranous labyrinth
bony canal of inner ear in temporal bone tympanic cavity
connects middle ear and pharynx auditory tube
extends from apex of cochlea to round window scala tympani
posterior five-sixths of middle (vasular) layer choroid coat
white part of outer (fibrous) layer sclera
transparent anterior portion of outer layer cornea
inner lining of eyelid conjuctiva
secretes tears lacrimal gland
fills posterior cavity of eye vitreous humor
area where optic nerve exits the eye optic disc
smooth muscle that controls light entering the eye ciliary muscles
fills anterior and posterior chambers of the anterior cavity of the eye aqueous humor
contains visual receptors called rods and cons retina
connects lens to ciliary body suspensory ligament
cause lens to change shape iris
regulates heart rate vagus
equilibrium and hearing vestibulocochlear
stimulates superior oblique muscle of the eye trochlear
sensory impulses from teeth and face trigeminal
pupil constriction and eyelid opening oculomotor
smell olfactory
controls neck and shoulder movements accessory
controls tongue movement hypoglossal
vision optic
stimulates lateral rectus muscle of eye abducens
taste, salivation, and secretion of tears facial
swallowing glassopharyngeal
Created by: dtgs2010