| ligamentumarteriosum | | blood vessel; accepts blood from left ventricle |
| tricuspid | | valve at entrance to pulmonary trunk |
| rightatrium | | number of cusps in mitral valve |
| inferiorvenacava | | also called septomarginal band |
| leftventricle | | number of cusps in each semilunar valve |
| two | | heart chamber; pumps blood to lungs |
| chordaetendineae | | first blood vessels to branch off aorta |
| trabeculaecarneae | | flaps that look like dog ears on surface of heart |
| auricles | | heart chamber; receives blood from body |
| rightventricle | | name of right atrioventricular valve |
| pulmonaryarteries | | left atrial ventricular valve; so named because of the number of its cusps |
| moderatorband | | blood vessels; return blood to left atrium |
| pulmonaryveins | | pulmonary trunk bifurcates into these |
| pulmonarysemilunar | | tic shaped muscles in ventricles |
| coronaryarteries | | pitted |
| leftatrium | | heart chamber with thickest walls |
| base | | heart chamber; receives blood from lungs |
| bicuspid | | inferior tip of heart; points toward left hip |
| coronarysinus | | fetal structure; allows blood to by-pass lungs |
| superiorvenacava | | left atrial ventricular valve; so named because it resembles the hat of a church bishop |
| pulmonarytrunk | | blood vessel; receives blood from right ventricle |
| aorticsemilunar | | flat top of heart; points toward right shoulder |
| papillarymuscles | | valve through which blood leaving the left ventricle passes |
| aorta | | vein; returns blood from legs |
| apex | | vein; returns blood from head |
| ductusarteriosus | | vein that returns blood from heart wall to right atrium |
| mitral | | remnant of ductus arteriosus |
| three | | comb-like muscle in right atrium |
| pectinate | | heart strings |