Fysiologie tractus circulatorius Flashcards

1
Q

Drie lagen bloedvatwanden

A

Tunica adventitia: bindweefsel
Tunica media: glad spierweefsel
Tunica intima: endotheel

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2
Q

Algemene stromingsformule

A

Delta p = Flow (F) x Weerstand (R)

Weerstand is afhankelijk van diameter vat, halvering diameter is 16 keer grotere weerstand (2^4)

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3
Q

Baroreceptoren

A

Bevinden zich in de aortaboog en sinus carotis. Meten rekking vaatwand. Ze remmen vasomotorische neuronen in het verlengde merg. Vasodilatatie en lagere hartfrequentie.

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