论文部分内容阅读
作者在学习过程中,发现一具成年男性标本左侧坐骨神经变异,现报道如下:尸体为50岁左右的男性,材料来源于学校标本库,标本经甲醛充分固定防腐处理。通过观测发现该标本:左侧梨状肌长度为69.40 mm,梨状肌最宽处31.20 mm。左侧的坐骨神经在骨盆处分为了胫神经和腓总神经,坐骨神经分为两支(图1),其中1支神经出梨状肌下孔,另1支神经穿梨状肌肌腹,并在坐骨结节平面汇成坐骨神经主干。继续向下追
In the process of learning, the author found a variation on the left sciatic nerve of an adult male specimen and is reported as follows: The body is a man about 50 years old. The material is from the school specimen bank and the specimen is fully preserved and preserved by formaldehyde. Observed by the observation of the specimen: the length of the left piriformis 69.40 mm, the widest point of the piriformis 31.20 mm. The left sciatic nerve is divided into the tibial nerve and the common peroneal nerve in the pelvis. The sciatic nerve is divided into two branches (Fig. 1). One of the branches of the sciatic nerve runs out of the piriformis and the other passes through the muscle of the piriformis. Nodules converge into the sciatic nerve trunk. Continue to chase down