髁管
Canalis condylaris
- 拉丁语近义词: Canalis condyloideus; Canalis condylicus
定义
髁管,有时称为后髁管,是位于髁窝内的一条细小管道——髁窝为一浅在的骨性下降,位于颅底每侧枕髁的后方。该管允许导静脉穿行其中,将乙状窦(脑内的硬脑膜静脉窦)与颅骨外的静脉相连通。此连接不含静脉瓣,因此允许血液双向流动。它作为一种安全机制,对平衡颅内压及选择性冷却大脑具有重要作用。
參考資料
Standring, S. (2016). ‘Chapter 27: External Skull’ in Gray’s anatomy: the anatomical basis of clinical practice. (41st ed.) New York NY: Elsevier, pp. 422.
Standring, S. (2016). ‘Chapter 43: Back’ in Gray’s anatomy: the anatomical basis of clinical practice. (41st ed.) New York NY: Elsevier, pp. 713.
Klein BM, Bordoni B. Anatomy, Head and Neck, Emissary Veins. [Updated 2023 Jul 25]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK563196/