Voorbeeld a. pulmonalis (longslagader) a. carotis externa
Aorta
Tunica media Meer elastische vezels dan gladde Meer glad spierweefsel dan 1/ 2 lagen gladde spiercellen
(wand) spiercellen drukveranderingen opvangen elastische vezels d lumen wijzigen, bloeddruk en
stroomsnelheid in weefsels wijzigen
Tijdens Stijgt bloeddruk snel, doordat extra bloed in
ventriculaire systole grote bloedsomloop
Gedurende deze periode: elastische vezels
uitgerekt, diameter ↑
Tijdens Bloeddruk daalt
ventriculaire Elastische vezels normale afmeting
diastole
Niet elastisch: druk veel hoger
systole en lager diastole
Functie Spieren en organen voorzien
bloed
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