A&P Lab XII

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93 Terms

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anterior cavity

filled with aqueous humor

<p>filled with aqueous humor</p>
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anterior chamber

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posterior chamber

blue

<p>blue</p>
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cornea

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iris

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aqueous humor

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pupil

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posterior cavity

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vitreous humor

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ciliary body

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ciliary processes

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lens

H

<p>H</p>
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suspensory ligaments

stringlike ligaments

<p>stringlike ligaments</p>
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ora serrata

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retina

M

<p>M</p>
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choroid

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optic disk/blind spot

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fovea

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macula lutea

N

<p>N</p>
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optic nerve

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upper eyelid

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lower eyelid

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sclera

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ocular conjunctiva

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lacrimal caruncle

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lacrimal gland

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lacrimal punctum

D

<p>D</p>
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lacrimal sac

A

<p>A</p>
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nasolacrimal duct

F

<p>F</p>
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superior lacrimal canaliculus

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inferior lacrimal canaliculus

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choroid (retina microscope slide)

a

<p>a</p>
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pigmented part of retina

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rods and cones

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Nuclei of rods and cones (retina)

a

<p>a</p>
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bipolar cells

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ganglion cells

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aqueous humor

what fluid is found in anterior cavity?

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vitreous humor

what fluid is found in the posterior cavity?

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snellen eye chart

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astigmatism chart

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weber test

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Rinne test

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ampulla

dilated portion of a canal or duct

<p>dilated portion of a canal or duct</p>
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auditory (eustachian) tube

connects middle ear to throat, equalizes pressure in the middle ear

<p>connects middle ear to throat, equalizes pressure in the middle ear</p>
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auricle (pinna)

collects and directs sound waves into the external acoustic meatus

<p>collects and directs sound waves into the external acoustic meatus</p>
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basilar membrane of cochlea

separates the cochlear duct from the scala tympani

<p>separates the cochlear duct from the scala tympani</p>
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bony labyrinth

filled with perilymph

<p>filled with perilymph</p>
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crista ampullaris

responds to changes in the velocity of rotational head movements

<p>responds to changes in the velocity of rotational head movements</p>
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cochlea

tube though which sound waves trigger nerve impulses; hearing

<p>tube though which sound waves trigger nerve impulses; hearing</p>
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cochlear duct

filled with endolymph; supports spiral organ

<p>filled with endolymph; supports spiral organ</p>
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cochlear branch

hearing

<p>hearing</p>
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cupula

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endolymph in the cochlea

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endolymphatic sac

stores excess endolymph

<p>stores excess endolymph</p>
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external auditory canal

transmits sound waves from the pinna to the tympanic membrane of the middle ear

<p>transmits sound waves from the pinna to the tympanic membrane of the middle ear</p>
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inner hair cells (cochlea)

neurons in organ of corti; responsible for auditory transduction

<p>neurons in organ of corti; responsible for auditory transduction</p>
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outer hair cells (cochlea)

neurons in the organ of corti; serve to amplify and sharpen responses of inner hair cells

<p>neurons in the organ of corti; serve to amplify and sharpen responses of inner hair cells</p>
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incus

transmitting vibrations between malleus and stapes

<p>transmitting vibrations between malleus and stapes</p>
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macula

responsible for central vision

<p>responsible for central vision</p>
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malleus

transmits vibrations of eardrum to incus

<p>transmits vibrations of eardrum to incus</p>
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organ of corti (spiral organ)

organ of hearing

<p>organ of hearing</p>
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otolith

A

moves in response to gravity

<p>A</p><p>moves in response to gravity</p>
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oval window

transmits vibrations from the stapes to the perilymph of the scala vestibuli

<p>transmits vibrations from the stapes to the perilymph of the scala vestibuli</p>
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perilymph of cochlea

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round window

bulge as a pressure relief

<p>bulge as a pressure relief</p>
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saccule

equilibrium: static and linear (S)

<p>equilibrium: static and linear (S)</p>
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semicircular canals

three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement

<p>three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement</p>
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spiral ganglion

a collection of neurons in the modiolus of the cochlea that receives input from hair cells and sends output to the cochlear nuclei in the medulla via the auditory nerve

<p>a collection of neurons in the modiolus of the cochlea that receives input from hair cells and sends output to the cochlear nuclei in the medulla via the auditory nerve</p>
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stapedius muscle

reduces movement of stapes at oval window

<p>reduces movement of stapes at oval window</p>
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stapes

transmits sound vibrations from the incus to the oval window

<p>transmits sound vibrations from the incus to the oval window</p>
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Tectorial Membrane of the cochlea

A membrane located above the basilar membrane; serves as a shelf against which the cilia of the auditory hair cells move

<p>A membrane located above the basilar membrane; serves as a shelf against which the cilia of the auditory hair cells move</p>
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tensor tympani muscle

stiffens tympanic membrane

<p>stiffens tympanic membrane</p>
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tympanic duct (scala tympani)

contains perilymph

<p>contains perilymph</p>
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tympanic membrane

eardrum

<p>eardrum</p>
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utricle

U

<p>U</p>
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Vestibular Duct (scala vestibuli)

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vestibule

portion of the inner ear that senses the position of the head

<p>portion of the inner ear that senses the position of the head</p>
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Vestibular Membrane of the cochlea

separates the cochlear duct from the scala vestibuli

<p>separates the cochlear duct from the scala vestibuli</p>
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vestibulocochlear nerve

hearing and balance

<p>hearing and balance</p>
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palpebrae (sheep eye)

protect the eyes and spread lacrimal fluid with blinking

<p>protect the eyes and spread lacrimal fluid with blinking</p>
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cornea (sheep eye)

forms a clear window that is the major light bending medium of the eye

<p>forms a clear window that is the major light bending medium of the eye</p>
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iris (sheep eye)

controls the amount of light that enters the eye

<p>controls the amount of light that enters the eye</p>
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ciliary body (sheep eye)

contains ciliary muscle and the ciliary process

<p>contains ciliary muscle and the ciliary process</p>
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retina (sheep eye)

begin processing of visual information

<p>begin processing of visual information</p>
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tapetum lucidum (sheep eye)

iridescent layer found in nocturnal animals for maximizing vision under low intensity light

<p>iridescent layer found in nocturnal animals for maximizing vision under low intensity light</p>
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aqueous humor (sheep eye)

fluid in anterior chamber

<p>fluid in anterior chamber</p>
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vitreous humor (sheep eye)

fluid in posterior cavity

<p>fluid in posterior cavity</p>
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optic nerve (sheep eye)

carries neural impulses from the eye to the brain

<p>carries neural impulses from the eye to the brain</p>
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pupil (sheep eye)

opening in center of iris

<p>opening in center of iris</p>
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sclera (sheep eye)

tough, white, outer layer of the eyeball

<p>tough, white, outer layer of the eyeball</p>
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lens (sheep eye)

the transparent structure behind the pupil that changes shape to help focus images on the retina

<p>the transparent structure behind the pupil that changes shape to help focus images on the retina</p>
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choroid (sheep eye)

nourishes other layers and helps absorb excess light

<p>nourishes other layers and helps absorb excess light</p>