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Bio générale II > Quiz 2 > Flashcards

Quiz 2 Flashcards

systeme nerveux

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Biology 101 flashcards
1
Q

Fonctions du systeme nerveux

A
  • sensoriel
  • integration
  • motrice (muscles et glandes)
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2
Q

SNP (nerfs)

A
  • nerfs craniens (12)
  • nerfs spinaux (31)
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3
Q

SNC (organes)

A
  • encéphale
  • Moelle épinière
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4
Q

Neurones + direction

A
  • sensitifs (afferents)
  • moteurs (efferents)
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5
Q

Récepteurs externes

A

somatiques

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6
Q

récepteurs internes

A

vicéraux

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7
Q

types d’actions (réponse)

A
  • comportementale
  • internes
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8
Q

SNS

A

systeme nerveux somatique : neurones moteurs somatiques

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9
Q

SNA (actions non contrôlées)

A

systeme nerveux autonome: neurones moteurs viceraux

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10
Q

SNAS

A

systeme nerveux autonome sympathique (stress, fuite, embarras, exercice, excitaiton)

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11
Q

SNAP

A

systeme nerveux autonome parasympathique (sans stress)

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12
Q

Neurones Moelle epiniere et Encephale

A

Interneurones

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13
Q

Pas de repoduction cellulaires

A

Amitotique

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14
Q

Potentiel gradué

A

Dendrites

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15
Q

(neurone)
- noyau
- organites
- receptrice

A

Corps cellulaire

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16
Q
  • Unique
  • collaterales
  • zone gachette
  • CNT( corpuscule nerveux terminaux)
  • potentiel d’ation
A

Axone

17
Q

Multipolaires

A

moteurs
interneurones
☀️–<

18
Q

Bipolaires

A

sensitifs 👁️,👂,👃
3-O-<

19
Q

Unipolaires

A

sensitifs,🦶,💪,🫀

20
Q

Ganglion

A

amas de corps cellulaire du SNP

21
Q

Noyau

A

amas de corps cellulaire du SNC

22
Q

Nerfs

A

regroupement d’axones dans le SNP

23
Q

Tractus

A

regroupement d’axones dans le SNC

24
Q

Gliocytes (roles et capacité)

A

protection
homeostasie
mitose

25
Q

Gliocytes SNP

A

Ganglionnaires
Neurolemmocytes

26
Q

Ganglionnaires

A

entoure le corps cellulaire
regulation du milieu chimique neuronannal

27
Q

Neurolemmoncytes

A

Myeline du SNP
1 seul axone
regeneration des axones

28
Q

Gliocytes du SNC

A

Astrocytes
Ependymocytes
oligodendrocytes
Microglie

29
Q

Astrocyte

A

encrage des neurones
formation BHE (duanes)
formation de synapses
recupere les ions K+

30
Q

Ependymocytes

A

surface les organes du SNC
battement des cils = circulation du lCS

31
Q

LCS

A

liquide cerebrospinal

32
Q

oligodendrocyte

A

myeline SNC
plusieurs axones

33
Q

microglie

A

elimine les microbes et les neurones mortes
- phagocytes

34
Q

myeline (roles)

A

protection
isolation
vitesse influx

35
Q

noeuds de ranvier

A

espaces entre couches de myeline

36
Q

substance blanche

A

myelinisé

37
Q

substance grise

A

amyelinisé

Bio générale II (10 decks)

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