A & P 214 Lab Exam 3 Quiz 3

Conjunctiva

Lacrimal apparatus

general

lacrimal gland

lacrimal canaliculus

lacrimal sac

nasolacrimal duct

extrinsic eye muscles

cornea

external layer

sclera

external layer

choroid

middle layer

choroid

middle layer

ciliary body

(general)

suspensory ligament

or ciliary zonule

iris

pupil

lens

retina

inner layer

optic disc

inner layer

optic disc

inner layer

optic (II)

cranial nerve

optic (ii)

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macula lutea

general

fovea centralis

anterior segment

general area

aqueous humor

fluid

posterior segment

general area

vitreous humor

fluid

blind spot test

Position your head to look straight at the image. Cover your left eye, and look at the plus in the middle of the green background with your right eye. Move closer to the screen as before. When you hit your blind spot, the circle will disappear, and the brain will fill the gap with the surrounding yellow color.

depth perception test

Hold your finger in front of the eye test circle on the screen. Focus your gaze primarily on the circle and you should see two images of your finger on either side of the circle. Switch your focus from the dot to your finger.

external ear

green

pinna

auricle

external acoustic meatus

middle ear

blue

tympanic membrane

auditory ossicles

malleus

7

incus

8

stapes

b

pharyngotympanic tube

eustachian tube

internal ear

orange

cochlea

spiral organ

inside of the cochlea

cochlear nerve

vestibule

oval window

membrane, deep to stapes

round window

membrane

vestibular nerve

semicircular canal

vestibulocochlear (VIII)

cranial nerve

weber test

Test done by placing the stem of a vibrating tuning fork on the midline of the head and having the patient indicate in which ear the tone can be heard.

sensorineural deafness

deafness that results from damage to the auditory nerve

conduction deafness

An inability to hear resulting from damage to structures of the middle or inner ear.

rinne test

hearing test using a tuning fork; checks for differences in bone conduction and air conduction

bone-conductance

allows the vibration sound to be transmitted to the inner ear

air-conductance

conduction through air

tongue

fungiform papilla

2

fungiform papilla

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vallate papilla

\

vallate papilla

1

foliate papilla

\

foliate papilla

4

Filiform papilla

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Filiform papilla

3

taste bud

white dots

taste bud

\

taste pore

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