小斜角肌
Musculus scalenus minimus
- 命名学: Sibson
定义
起点:第6或第7颈椎横突前结节
止点:第一肋 - 胸膜上膜(Sibson筋膜)
动脉:颈升动脉、颈浅动脉
神经:C7-C8
作用:上提第一肋 - 支撑胸膜上膜
描述:
偶见于前斜角肌与中斜角肌之间的额外肌肉,其功能与神经支配同前斜角肌。
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/).