semilunar bone

1. Characteristic findings of occipital arachnoid granulations on CT were semiorbicular or semilunar depression of occipital inner table, or a punched-out like bone defect from the inner table into the outer table.
   枕骨蛛网膜颗粒压迹在CT上表现为半圆形、半卵圆形或浅弧形，少数可呈穿凿样骨质缺损，深达板障或外板。
2. Objective To observe morphological and histological changes after compound of autologous periosteum wrapped tendon and spongiosa homogenate was implanted into articular cavity in animal, and provide experimental evidence for semilunar bone substitute for Kienbock's disease.
   目的观察自体骨膜包绕肌腱松质骨匀浆复合体植入动物关节腔后组织形态学改变，为替代月骨治疗月骨无菌性坏死提供实验依据。

noun

1. one of the eight small wrist bones

   Synonym:    lunate boneos lunatum