肝支
Rami hepatici trunci vagalis anterioris
定义
迷走神经前干发出神经性肝支至肝丛。这些分支横行穿过小网膜的腹膜层 > 越过小网膜游离缘 > 到达肝门。
肝丛是围绕肝动脉、门静脉及胆管（即门管三联结构的三个组成部分）分布的神经丛与神经节的集合体。该神经丛支配肝实质及其血管系统、胆道树与胆囊，以及小网膜游离缘内的各结构。部分神经纤维由此向下走行，支配幽门、十二指肠及胰腺。
參考資料
Standring, S. and Gray, H. (2016). ‘Chapter 64: Abdominal esophagus and stomach’ in Gray’s anatomy The anatomical Basis of Clinical Practice. (41st ed.) New York: Elsevier, pp. 1118.
Fillmore, E.P. and Seifert, M.F. (2015). ‘Chapter 27-Anatomy of the Vagus Nerve’, in Nerves and Nerve Injuries. Editor(s): Tubbs, R.S., Rizk, E., Shoja, M.M., Loukas, M., Barbaro, N. and Spinner, R.J. Academic Press, pp. 385-397. http://dx.doi.org/10.1016/B978-0-12-410390-0.00028-7
Wang, C.J., Kong, S.H., Park, J.H. et al. (2021). Preservation of hepatic branch of the vagus nerve reduces the risk of gallstone formation after gastrectomy. Gastric Cancer 24, Fig 1 on pp. 234. https://doi.org/10.1007/s10120-020-01106-z
