外淋巴管
Ductus perilymphatici
定义
外淋巴管是一条内衬上皮/结缔组织的细小管道,走行于颞骨岩部骨迷路的耳蜗小管(蜗导水管)内。与耳蜗小管相同,该管道开口于耳蜗鼓阶附近,将耳蜗外淋巴引流至后颅窝蛛网膜下腔的脑脊液中,其位置邻近颈静脉孔的外侧缘。
外淋巴管作为一条分流通道,将耳蜗内多余的外淋巴引流至蛛网膜下腔,从而维持内耳内的液体压力平衡。
參考資料
Gopen, Q., Rosowski, J. and Merchant, S.N. (1997). Anatomy of the normal human cochlear aqueduct with functional implications, in Hearing Research. 107 (1–2); pp. 9-22, https://doi.org/10.1016/S0378-5955(97)00017-8
Hacking, C. Perilymphatic duct. Reference article, Radiopaedia.org (Accessed on 30 Jan 2023) https://doi.org/10.53347/rID-66914
Standring, S. and Gray, H. (2016). ‘Chapter 37: External and middle ear’ in Gray’s anatomy The anatomical Basis of Clinical Practice. (41st ed.) New York: Elsevier, pp. 626.