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Systeme sanguin Flashcards

(16 cards)

1
Q

Rôle du sang?

A

Transport (gaz/ nutriments/ produits catabolisme/ cellules/ hormones)

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2
Q

Nomme les protéines plasmiques

A
  • l’albumine
  • facteurs de coagulation
  • anti-protéases
  • protéines de transport
  • anticorps (immunoglobulines)
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3
Q

Contenu de GR (globules rouges) et rôle?

A
  • hémoglobine
  • Transporte l’O2 des poumons
  • Retourne le CO2
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4
Q

Rôle de GB (globules blancs)?

A
  • Rôle important dans les systèmes de défense et d’immunité de
    l’organisme.
  • Principalement actifs dans les tissus.
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5
Q

Lieu de fixation des plaquettes et rôle?

A
  • Plaies vasculaires
  • Activation cascade coagulation = hémostatse
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6
Q

Chez l’adulte, où sont formées les cellules sanguines?

A

Moelle osseuse au cours de l’hématopoïèse

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7
Q

Quels sont les 2 types de GB?

A
  • Granulocytes
  • Leucocytes mononuclées
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8
Q

Nomme les granulocytes (3)

A
  • Neutrophiles
  • Éosinophiles
  • Basophiles
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9
Q

Quels sont les caractéristiques des granulocytes?

A
  • nom = granulation dans cytoplasme
  • Noyau plurilobé
  • courte durée de vie
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10
Q

Que permet les granulation du cytoplasme des granulocytes?

A

Sécrétion de produits pro-inflammatoires

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11
Q

Dans quel type d’immunité les granulocytes participent-ils?

A

défense innées (non acquise) contre l’infection

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12
Q

Granulocytes: lieux de leurs fonction?

A

Dans les tissus (ø dans le sang)

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13
Q

Quel granulocyte à un pouvoir phagocytaire?

A

Neutrophiles = absorbent des micro-organismes et débris cellulaires

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14
Q

Nomme les leucocytes mononiclées

A
  • Lymphocytes (B & T)
  • Monocytes
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15
Q
A
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