les cellules immunitaires Flashcards

1
Q

les différentes cellules immunitaires

A

-monocyte
-macrophage
-granulocyte
-mastocyte
-cellule dendritique
-lymphocyte B et T
-plasmocyte

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2
Q

forme monocyte

A

ronde

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3
Q

forme granulocyte

A

ronde

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4
Q

forme cellule dendritique

A

étoile

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5
Q

forme lymphocyte B et T

A

ronde

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6
Q

forme plasmocyte

A

ovale

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7
Q

noyau monocyte

A

1 en 1 lobe

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8
Q

noyau macrophage

A

1 arrondi

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9
Q

noyau granulocyte

A

1 plurilobé

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10
Q

noyau mastocyte

A

1

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11
Q

noyau cellule dendritique

A

1

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12
Q

noyau lymphocyte B et T

A

1 rond

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13
Q

noyau plasmocyte

A

1 excentré

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14
Q

taille monocyte

A

15-30 μm

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15
Q

taille macrophage

A

20-60 μm

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16
Q

taille granulocyte

A

10-15 μm

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17
Q

taille lymphocyte B et T

A

6-14 μm

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18
Q

taille plasmocyte

A

8-20 μm

19
Q

localisation monocyte

A

sang

20
Q

localisation macrophage

A

tissus

21
Q

localisation granulocyte

A

sang

22
Q

localisation mastocyte

A

tissus

23
Q

localisation cellule dendritique

A

tissus organes lymphoïdes

24
Q

localisation lymphocyte B et T

A

tissus = organes lymphoïdes

25
Q

localisation plasmocyte

A

tissus = organes lymphoïdes

26
Q

fonction monocyte

A

circulant

27
Q

fonction macrophage

A

phagocytose

28
Q

fonction granulocyte

A

phagocytose

29
Q

fonction mastocyte

A

histamine

30
Q

fonction cellule dendritique

A

cellules présentatrices d’antigène aux lymphocyte T

31
Q

fonction lymphocyte B et T

A

différenciation

32
Q

fonction plasmocyte

A

production d’anticorps

33
Q

origine macrophage

A

monocyte

34
Q

origine plasmocyte

A

lymphocyte B

35
Q

différenciation monocyte

A

macrophage

36
Q

différenciation macrophage

A

phagocytose + présentatrices d’antigène ?

37
Q

différenciation lymphocyte B et T

A

plasmocyte ?

38
Q

taille cellule végétale

A

100 µm

39
Q

taille cellule animale

A

20 µm

40
Q

taille bactérie

A

2 µm

41
Q

Exemple de médiateur emblématique

A

Histamine

42
Q

Nature et Origine de l’Histamine

A

Amine stockée dans les granules des mastocytes

43
Q

Rôle histamine

A

Molécule vasoactive