Bio107-lab23&25 Flashcards by Rachel Barthel

Q

EYE:

Lacrimal gland

A

sit above the eye, deal with tears

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Q

Superior oblique muscle

A

muscle above the eye

depresses eye, turns it laterally

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Q

Superior rectus muscle

A

below sup. oblq. musc.
ATTACHES TO EYE

elevates eye, turns it medially

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Q

Lateral rectus muscle

A

attaches to the side of the eye

moves eye laterally

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Q

Inferior oblique muscle

A

wraps around the side/bottom of eye

elevates eye, turns it laterally

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Q

Inferior rectus muscle

A

attaches to the bottom of the eye

depresses eye, turns it medially

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Q

Ciliary body

A

above and below the lens

lens fits inbetween, smooth

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Q

Cornea

A

first, top layer of eye

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Q

Iris

A

the colored part surround the lens

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Q

Pupil

A

black part, hole, light passes through

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Q

Anterior segment

A

front space in between cornea and lens

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Q

Lens

A

thick circular clear part

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Q

Posterior segment

A

back space/part of eye

contains VITREOUS HUMOR

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Q

Sclera

A

white part of eye

layer 1

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Q

Choroid

A

next layer under the scerla

layer 2

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Q

Retina

A

layer 3

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Q

Macula lutea

A

near the fovea centralis

Q

Fovea centralis

A

sits in the middle of the macula

back, focal point in eye

Q

Optic Nerve

A

nerve behind the eye

Q

Optic disc

A

covers the opening of the optic nerve

Q

EAR:

Auricle (pinna)

A

top outer cartilage part of ear

Q

External ear

A

outside part of ear

cont: the aurice and external acoustic meatus

Q

External acoustic meatus

A

ear canal/ opening

Q

Middle ear contains

A

tympanic membrane
malleus
incus
stapes MIS in order in ear

Q

Internal ear contains

A

the rest

Q

Auditory tube

A

connects the middle ear chamber to the nose

Q

Semicircular ducts in semicircular canals

A

loops on top of the inner ear part

Q

Utricle in vestibule

A

where the semicircular ducts all connect to

Q

Saccule in vestibule

A

where the cochlea connects to

below the utricle vestibule

Q

Stapes in oval window

A

bottom loop in between both vestibules

Q

Vestibular nerve

A

connects to both center vestibules

Q

Cochlear nerve

A

connects to the cochlea

Q

Cochlea

A

snail like

Q

Spiral organ

A

the matter in the cochlea/spiral shape

inbetween cochlear duct and scala tympani

Q

Cochlear ducts in cochlea

A

opposite the spiral organs

Q

Round window

A

sits next to the stapes in oval window

Q

Cochlea INSIDE:

3 parts

A

Scala vestibuli
Cochlear duct
Scala tympani

Q

Tectorial membrane

A

overlies the stereocilia hairs

Q

Basilar membrane

A

form the floors of the cochlea duct

Q

Hairs

A

stereocilia