Bio107-lab23&25

Question 1

EYE:

Lacrimal gland

Answer 1

sit above the eye, deal with tears

Question 2

Superior oblique muscle

Answer 2

muscle above the eye

depresses eye, turns it laterally

Question 3

Superior rectus muscle

Answer 3

below sup. oblq. musc.
ATTACHES TO EYE

elevates eye, turns it medially

Question 4

Lateral rectus muscle

Answer 4

attaches to the side of the eye

moves eye laterally

Question 5

Inferior oblique muscle

Answer 5

wraps around the side/bottom of eye

elevates eye, turns it laterally

Question 6

Inferior rectus muscle

Answer 6

attaches to the bottom of the eye

depresses eye, turns it medially

Question 7

Ciliary body

Answer 7

above and below the lens

lens fits inbetween, smooth

Question 8

Cornea

Answer 8

first, top layer of eye

Question 9

Iris

Answer 9

the colored part surround the lens

Question 10

Pupil

Answer 10

black part, hole, light passes through

Question 11

Anterior segment

Answer 11

front space in between cornea and lens

Question 12

Lens

Answer 12

thick circular clear part

Question 13

Posterior segment

Answer 13

back space/part of eye

contains VITREOUS HUMOR

Question 14

Sclera

Answer 14

white part of eye

layer 1

Question 15

Choroid

Answer 15

next layer under the scerla

layer 2

Question 16

Retina

Answer 16

layer 3

Question 17

Macula lutea

Answer 17

near the fovea centralis

Question 18

Fovea centralis

Answer 18

sits in the middle of the macula

back, focal point in eye

Question 19

Optic Nerve

Answer 19

nerve behind the eye

Question 20

Optic disc

Answer 20

covers the opening of the optic nerve

Question 21

EAR:

Auricle (pinna)

Answer 21

top outer cartilage part of ear

Question 22

External ear

Answer 22

outside part of ear

cont: the aurice and external acoustic meatus

Question 23

External acoustic meatus

Answer 23

ear canal/ opening

Question 24

Middle ear contains

Answer 24

1. tympanic membrane
2. malleus
3. incus
4. stapes MIS in order in ear

Question 25

Internal ear contains

Answer 25

the rest

Question 26

Auditory tube

Answer 26

connects the middle ear chamber to the nose

Question 27

Semicircular ducts in semicircular canals

Answer 27

loops on top of the inner ear part

Question 28

Utricle in vestibule

Answer 28

where the semicircular ducts all connect to

Question 29

Saccule in vestibule

Answer 29

where the cochlea connects to

below the utricle vestibule

Question 30

Stapes in oval window

Answer 30

bottom loop in between both vestibules

Question 31

Vestibular nerve

Answer 31

connects to both center vestibules

Question 32

Cochlear nerve

Answer 32

connects to the cochlea

Question 33

Cochlea

Answer 33

snail like

Question 34

Spiral organ

Answer 34

the matter in the cochlea/spiral shape

inbetween cochlear duct and scala tympani

Question 35

Cochlear ducts in cochlea

Answer 35

opposite the spiral organs

Question 36

Round window

Answer 36

sits next to the stapes in oval window

Question 37

Cochlea INSIDE:

3 parts

Answer 37

1. Scala vestibuli
2. Cochlear duct
3. Scala tympani

Question 38

Tectorial membrane

Answer 38

overlies the stereocilia hairs

Question 39

Basilar membrane

Answer 39

form the floors of the cochlea duct

Question 40

Hairs

Answer 40

stereocilia