尺侧返动脉后支
Arteria recurrens ulnaris posterior
- 相关用语: [尺侧返动脉]后支; 尺侧返动脉: [尺侧返动脉]后支
定义
尺骨后返动脉(a. recurrentes ulnaris posterior)比尺骨前返动脉粗大得多,起自尺动脉,起始位置略低于前者。
该动脉向后内侧走行,经过指深屈肌表面,行于指浅屈肌后方,并向上绕至肱骨内上髁后方。在内上髁与鹰嘴之间的间隙内,该动脉走行于尺侧腕屈肌深面,继而向上穿行于该肌两头之间,与尺神经相邻,沿途供应邻近肌肉及肘关节,并与尺侧上副动脉、尺侧下副动脉及骨间返动脉相互吻合。
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/).