采用解剖器械对臀区进行由浅入深的解剖，分离出梨状肌上下孔的神经、血管。
The buttock of corpses were dissected from the superficial to the deep by the anatomic instrument, separating the nerves, blood vessels of drilling through the piriformis' upper and lower hole.
采用解剖器械对臀区进行由浅入深的解剖，分离出梨状肌上下孔的神经、血管。
The buttock of corpses were dissected from the superficial to the deep by the anatomic instrument, separating the nerves, blood vessels of drilling through the piriformis' upper and lower hole.
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