semilunar bone 名詞
月骨
Sem·i·lu·nar a. Shaped like a half moon.
Semilunar bone Anat., a bone of the carpus; the lunar. See Lunar, n.
Semilunar valves, 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 bone
n : one of the eight small wrist bones [syn: lunate bone, os
lunatum]