Thrombocytes, leucocytes, monocytes, hématopoïèse Flashcards

(29 cards)

1
Q

Thrombocytes : taille

A

2 à 4 um

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Thrombocytes : type de granule

A

Alpha
Delta à corps dense
Lambda

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Granule Alpha : contenu

A

Eléments spécifiques des plaquettes
- Facteur plaquettaire 4
- Thromboglobulines
Réparation de VS : PDGF
Coagulation :
- Fibrogène
- Facteur V
- Facteur de von Willebrand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Granule Delta à corps dense : contenu

A
  • Sérotonine
  • ADP
  • Ca2+
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Throbocytes: granules lambda

A

Enzymes lysosomales

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Clou plaquettaire : prot produit par cel endothéliales voisines

A

Prostacycline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Granule azurophile : contenu

A

Myélopéroxidase Hydrolases Lysozyme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Neutrophile : granule spécifique : contenu

A

Gélatinase, collagénase, lactoférase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Neutrophile : superoxyde

A

NEDH oxydase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Eosinophile : récepteur IgE

A

FCepsilonR2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Basophile : récepteur IgE

A

FCEpsilonR1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Granulocytes : fréquence relative

A
  • Neutrophile : 40 à 75% : les plus fréquents
  • Eosinophile : 1 à 5% :
  • Basophile :0 à 1%
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Mononucléaires : fréquence relative

A
  • Lymphocytes : 25 à 40%
  • Monocytes : 2 à 8%
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Neutrophile : demie vie

A

6h à quelques jours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Eosinophile : demie vie

A

12 jours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Basophile : demie vie

17
Q

Lymphocytes : demie vie

A

Demi-vie à plusieurs années

18
Q

Neutrophile: taille

19
Q

Eosinophile: taille

20
Q

Basophile: taille

21
Q

Lymphocytes non actif: taille

22
Q

Lymphocytes actif

23
Q

Monocyte : taille

24
Q

Moelle osseuse : stroma : contenu

A
  • cellules réticulaires
  • adipocytes
  • macrophages
  • capillaires sinusoïdes
25
Leucocytes : prod quotidienne
10 milliards
26
Erythrocytes : production quotidienne
600 milliards
27
Thrombocytes : production quotidienne
600 milliards
28
Cellules souches : taux de reproduction
10^2 à 4 par année au minimum
29
Mégacaryoblastes : taille
100 um