Ch. 5 Anatomic Terms Flashcards
endocardium
membrane lining the cavities of the heart
atrium
upper right or left chamber of the heart
epicardium
membrane forming the outer layer of the heart
interatrial septum
division between atria
interventricular septum
division between ventricles
myocardium
heart muscle
pericardium
protective sac surrounding the heart
visceral pericardium
layer closest to heart (visceral = pertaining to organ)
parietal pericardium
outer layer (parietal = pertaining to wall)
pericardial cavity
fluid filled cavity between layers of the pericardium
ventricle
lower right and left chambers of the heart
heart valves
structures within the heart that regulate the one-way flow of blood
aortic valve
valve between the left ventricle and the aorta
mitral or bicuspid valve
heart valve between the left atrium and the left ventricle (cuspis = point)
pulmonary semilunar valve
heart valve from right ventricle to pulmonary artery (luna = moon)