Organe des sens Flashcards

1
Q

Quel nerf odorat

A

1

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2
Q

Quel nerf ouïe

A

8 (cochléaire)

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3
Q

Quel nerf vue

A

2 (attention c’est le deuxième neurone)

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4
Q

Quel nerf goût

A

7bis et 9

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5
Q

Quel nerf tact

A

Nerf rachidiens

Nerf crânien 5 pour la face

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6
Q

Structure iris qui permet dilatation pupille

A

M. Dilatateur de la pupille

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7
Q

Structure iris qui permet fermeture de la pupille

A

Sphincter de la pupille

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8
Q

Nombre bâtonnets

A

100 millions

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9
Q

Nombres cônes

A

3 millions

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10
Q

Nombre muscle langue

A

17 dont 8 pairs et un impair

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11
Q

Nerf Innervation langue

A

Hypoglosse 12 majoritairement

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12
Q

Innervation sensitive 2/3 ANT

A

V3 nerf mandibulaire

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13
Q

Innervation sensorielle 2/3 ANT

A

7 bis (nerf intermédiaire de Wrisberg)

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14
Q

Innervation sensitive et sensorielle 1/3 post langue

A

9 (glossopharyngien)

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15
Q

Innervation sensitive face linguale de l’épiglotte

A

10 nerf vague –> réflexe vomitif

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16
Q

Quel sensibilité pour la tact épicritique ?

A

Lemniscale, tact fin

17
Q

Quel sensibilité pour tact protopatique ?

A

Sensibilité extra-lemniscale, grossier (pression), douleur, chaud/froid

18
Q

Tact épicritique lieu ?

A

Surtout pulpe des doigts Seuil discrimination spatiale : 2mm Seuil d’enfoncement : 6 micromètres