盂唇，亦作盂韧带，位于位于手臂骨与肩胛骨之间的肩关节，是一个附着在肩胛骨盂腔周围的纤维软骨组织，约3-4毫米宽。

盂唇的横切面呈三角形，其底部固定于关节腔，而其自由面薄且尖。

盂唇与肱二头肌顶端的长肌腱连在一起，其纤维组织使两个纤维束得以融合在一起。

The glenoid labrum (glenoid ligament) is a fibrocartilaginous rim attached around the margin of the glenoid cavity in the shoulder blade. The shoulder joint is considered a 'ball and socket' joint. However, in bony terms the 'socket' (the glenoid fossa of the scapula) is quite shallow and small, covering at most only a third of the 'ball' (the head of the humerus). The socket is deepened by the glenoidal labrum.