labrum是什么意思

n.(尤指昆虫的)上唇

1. The labrum helps to deepen the socket and provide stability to the joint. (解剖学上，唇缘帮助加深关节窝并提供稳定性。)

2. A labral tear can cause pain and limited range of motion in the affected joint. (唇缘撕裂可能导致患处关节的疼痛和活动范围受限。)

(anatomy) a ring of cartilage around the edge of a joint socket