left atrium Flashcards
1
Q
Atrioventricular orifice
A
blood flows from the left atrium to the left ventricle, bicuspid valve found here
2
Q
fossa ovalis
A
mbryological remnant of the foramen ovale
3
Q
left auricle
A
muscular pouch that acts to increase the capacity of the atrium
4
Q
pectinate muscles
A
parallel ridges in the wall of the atrium, sparse in the left atrium