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锁臂肌[三角肌锁骨部]
Musculus cleidobrachialis [Pars clavicularis musculus deltoidei]
- 相关用语: 锁臂肌; 锁臂肌[锁骨肌部]; 锁臂肌（臂头肌）
定义
锁骨臂肌是臂头肌的远端部分，起自锁骨交叉（退化锁骨）至臂骨嵴前端。该部分被视为"三角肌的锁骨部"，但由于家畜缺乏锁骨，故将其归入臂头肌。
起点： 肱骨前面远端的臂骨嵴。
止点： 锁骨腱／锁骨交叉／退化锁骨
功能： 将肢体向前牵引；双侧同时作用时固定颈部。
神经： 第七和第八颈神经（nervi cervicales VII et VIII）腹侧支
參考資料
Text by Antoine Micheau, MD - Copyright IMAIOS
Veterinary Anatomy of Domestic Mammals: Textbook and Colour Atlas, Sixth Edition - Horst Erich König, Hans-Georg Liebich - Schattauer - ISBN-13: 978-3794528332
Miller's Anatomy of the Dog, 4th Edition - Evans & de Lahunta- Elsevier
Illustrated Veterinary Anatomical Nomenclature - 3rd edittion - Gheorghe M. Constantinescu, Oskar Schaller - Enke
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