Histologie immunitaire Flashcards

1
Q

2 grandes parties d’un noeud lymphatique

A

cortex
médulla

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2
Q

Rôle noeuds lymphatiques?

A

filtrer la lymphe, promouvoir la différenciation des lymphocytes,

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3
Q

vaisseaux qui entrent dans noeud lymphatique

A

vaisseaux lymphatiques afférents

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4
Q

vaisseaux qui sortent de noeud lymphatique

A

vaisseaux lymphatiques efférents

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5
Q

Lymphe circule dans noeuds lymphatiques dans…

A

sinus

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6
Q

Plus externe de cortex on peut voir quels vaisseaux?

A

vaisseaux lymphatiques afférents

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7
Q

nodules dans quelle partie du noeud lymphatique?

A

cortex superficiel

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8
Q

partie du noeud lymphatique more condensed

A

cortex

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9
Q

partie du noeud lymphatique more empty?

A

médulla

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10
Q

parties de noeud lymphatique

A

tissu adipeux
capsule
cortex
médulla

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11
Q

Projections of capsule into cortex

A

trabécule

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12
Q

Hole next to trabécule

A

sinus trabéculaire

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13
Q

Hole sous capsule

A

sinus sous-capsulaire

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14
Q

dans noeud lymphatique: fibroblastes, synthétisent réticuline

A

cellules réticulaires

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15
Q

2 subdivisions du cortex de noeud lymphatique

A

cortex superficiel
paracortex / cortex profond

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16
Q

cellules dans cortex superficiel de noeud lymphatique?

A

lymphocytes B

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17
Q

cellules dans cortex profond / paracortex de noeud lymphatique?

A

lymphocytes T

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18
Q

nodules dans quelle partie de cortex de noeud lymphatique?

A

cortex superficiel

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19
Q

que se passe dans centre germinatif?

A

prolifération et maturation lymphocytes B → plasmocytes

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20
Q

dans centre germinatif, lymphocytes B deviennent…

A

plasmocytes

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21
Q

cellules qui produisent anticorps

A

plasmocytes (lymphocytes B)

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22
Q

centre de nodule:

A

centre germinatif

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23
Q

macrophage immature?

A

monocyte

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24
Q

macrophage fonction?

A

phagocytose, présentation de l’antigène

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25
Q

facilite le passage des lymphocytes T: circulation sanguine → noeud lymphatique

A

veinule à endothélium haut

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26
Q

thymus rôle

A

maturation des lymphocytes T

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27
Q

thymus divisé en…

28
Q

quelle partie du thymus est riche en lymphocytes T?

29
Q

particularités de thymus mature?

A

tissu adipeux, bcp moins de lymphocytes

30
Q

bourse cloacale

A

Organe lymphoïde spécifique aux oiseaux

31
Q

bourse cloacale location

A

proche de cloaque

32
Q

rate fonction

A

filtrer le sang et activer des lymphocytes

33
Q

2 grandes parties de rate

A

Pulpe rouge
Pulpe blanche

34
Q

Pulpe rouge rate

35
Q

Pulpe blanche rate

A

tissu lymphoïde

36
Q

Sinus noeud lymphatique cellule endothéliale

A

cellule du littoral

37
Q

cellules dans cortex profond du noeud lymphatique

A

lymphocytes T

38
Q

thymus lymphocytes?

A

lymphocytes T

39
Q

parties de pulpe blanche de rate

A

Nodule
Manchon
artérioles

40
Q

noeud lymphatique: Veinules à endothélium haut: épithélium?

41
Q

Veinules à endothélium haut où?

A

cortex profond/paracortex de noeud lymphatique

42
Q

rate: pulpe blanche plus important que pulpe rouge chez quel espèce?

43
Q

cellule responsable de charpente des lymphocytes dans thymus

A

épithéliocyte

44
Q

cellules en forme de douve où?

A

pulpe rouge de rate

45
Q

Vrai ou Faux: capsule de rate a myocytes lisses?

46
Q

rate: zone du manteau où?

A

dans nodules

47
Q

v ou f: il y a sinus veineux dans pulpe rouge de la rate?

48
Q

v ou f: noeud lymphatiques ont cortex et médulla?

49
Q

V ou F: thymus a cortex et médulla?

50
Q

V ou F: bourse cloacale a cortex et médulla?

51
Q

V ou F: rate a cortex et médulla?

52
Q

cellules dans médulla de noeud lymphatique

A

cellules du littoral
cellules réticulaires
lymphocytes
plasmocytes
moncytes
etc

53
Q

cortex vs médulla in thymus?

A

cortex = dark
médulla = light

54
Q

thymus: lymphocyte T vs épithéliocyte apparence?

A

épithéliocytes are lighter in colour and lessss of them

55
Q

structure bizarre dans médulla de thymus?

A

corpuscule thymique

56
Q

lymphocytes dans rate?

A

lymphocytes T et lymphocytes B

57
Q

lil circle thingies in pulpe blanche of rate?

A

manchon lymphoïde

58
Q

rate: plus de pulpe rouge ou pulpe blanche?

A

pulpe rouge

59
Q

au centre de manchon lymphoïde (pulpe blanche de rate) ?

A

artériole centrale engainée

60
Q

au centre de nodule:

A

centre germinatif

61
Q

zone on the side of nodule in rate?

A

zone du manteau

62
Q

artériole dans zone du manteau de nodule de rate?

A

artériole nodulaire

63
Q

zone qui entoure nodule de rate?

A

zone marginale

64
Q

vaisseaux sanguins proche de nodules dans rate?

A

capillaires à housse

65
Q

structures dans pulpe rouge?

A

cordons et sinusoïdes

66
Q

cellules endothéliales de sinusoïdes dans pulpe rouge de rate?

A

cellules endothéliales en forme de douve