Cardiovascular System Flashcards
1
Q
Tricuspid valve
A
Right AV valve
Guards the right atrioventricular orifice; free edges of three flaps of endocardium are attached to papillary muscles by chordae tendineae.
2
Q
`Bicuspid, or mitral valve
A
left AV valve): Similar in structure to tricuspid valve except has only two flaps.
3
Q
Semilunar valves:
A
half-moon–shaped flaps growing out from the lining of the pulmonary artery and aorta.Prevent blood from flowing back into the ventricles from the aorta and pulmonary artery