Bio107-lab23&25 Flashcards Preview

E: BIO 107 > Bio107-lab23&25 > Flashcards

Flashcards in Bio107-lab23&25 Deck (40):
1

EYE:
Lacrimal gland

sit above the eye, deal with tears

2

Superior oblique muscle

muscle above the eye

depresses eye, turns it laterally

3

Superior rectus muscle

below sup. oblq. musc.
ATTACHES TO EYE

elevates eye, turns it medially

4

Lateral rectus muscle

attaches to the side of the eye

moves eye laterally

5

Inferior oblique muscle

wraps around the side/bottom of eye

elevates eye, turns it laterally

6

Inferior rectus muscle

attaches to the bottom of the eye

depresses eye, turns it medially

7

Ciliary body

above and below the lens

lens fits inbetween, smooth

8

Cornea

first, top layer of eye

9

Iris

the colored part surround the lens

10

Pupil

black part, hole, light passes through

11

Anterior segment

front space in between cornea and lens

12

Lens

thick circular clear part

13

Posterior segment

back space/part of eye

contains VITREOUS HUMOR

14

Sclera

white part of eye

layer 1

15

Choroid

next layer under the scerla

layer 2

16

Retina

layer 3

17

Macula lutea

near the fovea centralis

18

Fovea centralis

sits in the middle of the macula

back, focal point in eye

19

Optic Nerve

nerve behind the eye

20

Optic disc

covers the opening of the optic nerve

21

EAR:
Auricle (pinna)

top outer cartilage part of ear

22

External ear

outside part of ear

cont: the aurice and external acoustic meatus

23

External acoustic meatus

ear canal/ opening

24

Middle ear contains

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

25

Internal ear contains

the rest

26

Auditory tube

connects the middle ear chamber to the nose

27

Semicircular ducts in semicircular canals

loops on top of the inner ear part

28

Utricle in vestibule

where the semicircular ducts all connect to

29

Saccule in vestibule

where the cochlea connects to

below the utricle vestibule

30

Stapes in oval window

bottom loop in between both vestibules

31

Vestibular nerve

connects to both center vestibules

32

Cochlear nerve

connects to the cochlea

33

Cochlea

snail like

34

Spiral organ

the matter in the cochlea/spiral shape

inbetween cochlear duct and scala tympani

35

Cochlear ducts in cochlea

opposite the spiral organs

36

Round window

sits next to the stapes in oval window

37

Cochlea INSIDE:
3 parts

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

38

Tectorial membrane

overlies the stereocilia hairs

39

Basilar membrane

form the floors of the cochlea duct

40

Hairs

stereocilia