organe de simt Flashcards

1
Q

mucoasa olfactiva superior/inferior

A

superior

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2
Q

mugurii gustativi fata ventrala/dorsala a limbii

A

dorsala

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3
Q

aparatul vestibular-stimulul?

A

deflexiunea

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4
Q

drumul imaginii

A

nervul optic -> fibrele mediale se incruciseaza in chiasma optica -> tractul optic -> lobul occipital

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5
Q

sinus venos scleral !

A
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6
Q

foveea centrala vs macula lutea

A

mijlocul - pata galbena

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7
Q

strat extern al ochiului

A

fibros,rezistent: cornee si sclera-muschii extrinseci

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8
Q

unde se ataseaza m extrinseci

A

sclera

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9
Q

stratul mijlociu al ochiului

A

vascularizat; coroida,iris,corp ciliar

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10
Q

cine secreta umoarea apoasa

A

corpul ciliar

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11
Q

irisul cate straturi de muschi netezi

A

2

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12
Q

din ce e alcatuit cristalinul

A

material proteic fibros

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13
Q

straturile retinei

A

extern: pigmentat - melanina, adera de coroida si absoarbe lumina
intern: 3 straturi de neuroni: langa coroida-receptori, dupa bipolari, dupa multipolari

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14
Q

cate cel cu con

A

6-7 milioane

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15
Q

cate cel cu bastonase

A

120 milioane

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16
Q

unde sunt concentrate celulele cu conuri

A

foveea centrala

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17
Q

opsina

A

proteica, difera

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18
Q

rod

A

deriva din vitamina A, identica

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19
Q

obiect la departeare

A

cristalin aproape plat, muschi relaxat, ligament intins

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20
Q

obiect la apropiere

A

cristalin convex, muschi contractat, eliberarea tensiunii din ligament

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21
Q

camp vizual extern

22
Q

miopie

A

imaginea se face in fata retinei, pt ca ochi prea lung sau nu se acomodeaza cristalinul => lentile biconcave

23
Q

hipermetropie

A

imaginea se face in spateel retinei, pt ca ochi prea scurt/ cristalin prea plat => lentile biconvexe

24
Q

astigmatism

A

curbura neregulata a corneei / cristalinului => lentile torice

25
discrompatopsie
fara cel sensivile la rosu, omul nu face dif intre rosu si verde; femeile poarta boala, dar e mai intalnita la barbati
26
prezbitism
de la imbatranire => ochelari de citit
27
pavilionul urechii
pinna
28
ciocan
malleus
29
nicovala
incus
30
scarita
stapes
31
scarita
32
trompa lui Eustachio
tub subtire si lung
33
la altitudini mari
aerul coboara in faringe
34
la altitudini mici
aerul urca in urechea medie
35
frecventa
nr de vibratii ale aerului intr o unitate de timp - cicli/secunda sau hertzi
36
intensitate
amplitudine - decibeli
37
timbru
armonicele tonale
38
drumul sunetului in urechea interna
perilimfa -> membr vestibulara -> endolimfa ->membr tectoria -> organul lui Corti
39
membrana bazilara
pe ea este organul lui Corti
40
unde sunt simturile gustului
anterior-dulce,sarat, anterolateral-acru, posterolateral-sarat, posterior-amar ; umami
41
ce nervi sunt asociati cu gustul
facial si glosofaringian
42
drumul gustului
nervii VII si IX -> bulb unde fac sinapsa -> talamus -> lobul parietal
43
drumul mirosului
nervul I -> lama ciuruita a osului etmoid -> bulbii olfactivi ->tractul olfactiv ->lob frontal si temporal
44
cate mirosuri cate substante
4000 200
45
receptorii din piele
tnl - durere; discurile merkel - tactil; corpusculii meissnr- vibr si pres usoare; corpusculii paicini - vibr si pres puternice
46
unde sunt sapate canalele
in osul temporal
47
cu ce se aseamana perilimfa
cu LCR
48
cu ce se aseamana endolimfa
lichidul interstitial
49
echilibrul dinamic
endolimfa din canalele semicirculare act pe cel ciliate din ampule
50
otoliti sau
calculi
51
echilibru static
schimb poz capului, presiunea pe membr cu otoliti, dupa pe otoliti, dupa cel ciliate
52
cate macule
6