耳后动脉
Arteria auricularis posterior
定义
耳后动脉较细小,起自颈外动脉,位于二腹肌和茎突舌骨肌的上方,与茎突尖端相对处。它在腮腺覆盖下,沿颞骨茎突上行,至耳廓软骨与乳突之间的沟处,并在该沟的稍上方分为耳支和枕支。
除发出数条细小分支至二腹肌、茎突舌骨肌、胸锁乳突肌及腮腺外,该血管还发出以下三条分支:
- 茎乳突支
- 耳支
- 枕支
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/).