At the level of the Z lines between adjacent cardiac muscle cells, the intercalated disk composed of3 main junctional specializations complexes. 在Z线处,可见心肌细胞之间含有3种连接方式的特有连接结构&润盘。
A painful condition of the lower back, as one resulting from muscle strain or a slipped disk. 腰痛背部下部的疼痛状态,就象由于肌肉紧张或脱臼引起的疼痛。
Relation between piriform muscle lesion and lumbar intervertebral disk protrusion 梨状肌病变与腰椎间盘突出症的关系