Valves Flashcards
1
Q
AV valves layers
A
- Atrialis: endothelial ¢ w thin layer of smooth muscle
- Spongiosa: thin loose collagen/elastic fibers, fibroblasts
- Fibrosa: dense organised collagen
o Continuous w annulus
o Core of chordae tendinea - Ventricularis: endothelial ¢
2
Q
Semilunar valves layers
A
NO atrialis
* Spongiosa: thin loose collagen/elastic fibers, fibroblasts
* Fibrosa: dense organised collagen
o Continuous w annulus
o Core of chordae tendinea
* Ventricularis: endothelial ¢
3
Q
Chordae tendinae histo
A
collagen central core continuous w fibrosa
4
Q
Valve vascularization
A
valve base
5
Q
Cardiac valves histo
A
Collagen (loose fibers) covered w/ endothelium
Middle have core dense irregular collagen fibers
