Category:Semilunar

Sem`i*lu"nar, a.

Defn: shaped like a half moon. Semilunar bone (anat.), a bone of the Carpus; the lunar. See lunar, n. -- semilunar, or sigmoid, valves (anat.), the valves at the Beginning of the aorta and of the pulmonary artery which prevent the Blood from flowing back into the ventricle.

Semilunar Sem`i*lu"nar, n. (anat.)

Defn: the semilunar bone.