阴部神经
Nervus pudendalis
定义
阴部神经(n. pudendus;内阴部神经)的纤维来源于第二、第三和第四骶神经的腹侧支。
该神经走行于梨状肌与尾骨肌之间,经坐骨大孔的下部离开骨盆。随后越过坐骨棘,再经坐骨小孔重新进入骨盆。它与阴部内血管伴行,沿坐骨直肠窝外侧壁向上向前走行,包含于闭孔筋膜形成的鞘管内,该鞘管称为Alcock管,最终分为两个终末支,即会阴神经和阴茎背神经或阴蒂背神经。在分叉之前,该神经发出肛门下神经。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/). This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org