12 terms

Lab 44

Structure from which chordae tendinae originate
papillary muscles
Prevents blood movement from right ventricle to right atrium
tricuspid valve
Membranes around the heart
pericardial sac
Prevents blood movement from the left ventricle to left atrium
mitral valve
Gives rise to left and right pulmonary arteries
pulmonary trunk
Drains blood from myocardium into the right atrium
coronary artery
Inner lining of heart chamber
Layer largely composed of cardiac muscle tissue
Space containing serous fluid to reduce friction during heartbeats
pericardial cavity
Drains blood from myocardial capillaries
cardiac vein
Supplies blood to heart muscle
coronary artery
Distributes blood to body organs except the lungs