For Providers -- Atlas of Human Anatomy

Right heart chamber, opened from its anterior surface.

Translated by: Ronald A. Bergman, PhD and Adel K. Afifi, MD, MS
Peer Review Status: Internally Peer Reviewed

a) Right atrioventricular chambers (s. ostium venosum).
b) Tricuspid valve, anterior cusp.
c) Tricuspid valve, posterior cusp.
d) Tricuspid valve, septal cusp.
e) Chordae tendineae.
f) Papillary muscle.
g) Trabeculae carneae.
h) Pulmonary artery (cut).
i) Ostium of pulmonary artery, anterior semilunar cusp.
k) Ostium of pulmonary artery, right semilunar cusp.
l) Ostium of pulmonary artery, left semilunar cusp.
m) Nodulus (nodulae Arantii).
n) Aortic sinus (sinus of Valsalva).
o) Interventricular septum.
p) Left ventricle.
q) Ascending aorta.