cardio: + structure Flashcards

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1
Q

myocytes reliés avec

A

disques intercalaires

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2
Q

disques intercalaires

A

desmosomes: empêchent cellules de se séparer
jonctions ouvertes: rôle dans transmission potentiel d’action

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3
Q

tuniques vaisseaux sanguins

A

intima
média
externa/adventice

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4
Q

intima

A

1 couche épithélium simple squameux

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5
Q

média

A

couche épaisse
fibres musculaires lisses
tissus conjonctif élastique

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6
Q

externa/adventice

A

soutient/protège vs
tissus conjonctif aréolaire

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7
Q

réseau artériel

A

transporte sang à organes
propulsion par pompe cardiaque
aorte = artère = artérioles = capillaires artériels

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8
Q

réseau veineux

A

réservoir de sang
organes à coeur
retour veineux avec pompe musculaire (contraction muscles squelettiques/valvules) ET pompe pulmonaire
capillaires veineux = veinules = veines = veines caves

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