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Flashcards in Special Senses 9% Deck (32):
1

special senses are

gustation, olfaction, vision, auditory

2

projections from tongue where taste buds are embedded

taste papillae

3

cylindrical, largest, least in number, bitter, 8-12 V shaped form, anterior to sulcus terminalis

circum vallate papillae

4

mushroom shaped, most numerous taste receptors, tip tongue

fungiform

5

posterior roof/mouth lateral margins

foliate

6

thread like, sensitive to touch (no taste)

filiform

7

(sweet, sour, salty) CN VII to chorda tympani to pterygopalatine to solitary tract and nucleus

anterior 2/3 of tongue

8

bitter CN IX

posterior 1/3 tongue

9

CN X bitter

epiglottis and larynx

10

embryonic thyroid diverticulum (dorsal depression of tongue)

foramen caecum

11

limbic area, contains granular, mitral and tufted cells and a glomerulus

olfactory bulb

12

olfaction nerver supply: CN? to cribriform plate of ethmoid to ___ to ___/medial olfactory stria to subcallosal gyrus

I, lateral olfactory stria, UNCUS

13

upper surface of superior concha, main chemoreceptor

pseudostratified columnar epithelium

14

retina develops from ? sclera derived from ?

ectoderm, dura

15

retinal cells include:

amacrine, bipolar, ganglion, horizontal and pigments (rods and cones)

16

vision n. supply: retina TO optic nerve TO ___TO optic tract (connects superior colliculus) TO ___ TO optic radiations TO calcarine fissure of the __lobe

optic chiasm, lateral geniculate nucleus, occipital

17

center of macula lutea, provides greatest acuity, only CONES

fovea centralis

18

blind spot, where optic nerve and vessels attach to the eye

optic disc

19

control lens shape

ciliary muscle

20

auditory nerve pathway: ___ TO cochlear n. TO ventral then dorsal cochlear nucleus TO __ TO inferior colliculus TO ___ TO temporal lobe "LIM"

spiral ganglion, lateral lemincus, medial geniculate

21

sound travel: external auditory meatus TO tympanic membrane (ear drum) TO handle of malleus TO head of malleus TO ___TO ___ TO ___ TO cochlea TO ___

incus, stapes, oval window, round window (MISOCR)

22

angular acceleration and deceleration

semicircular canals

23

linear accelartion

utricle and saccule

24

intraocular pressure

glaucoma

25

posterior eye

vitreous humor

26

anterior eye

aqueous humor

27

> acuity

fovea centralis

28

blind spot

optic disc

29

IVD remnant

nucleus pulposus

30

cones are for

color

31

structures that contain endolymph

scala media, saccule, utricle, semicircular ducts

32

confluence of sinuses

EOP, IOP