蘭氏結
蘭氏結（英語：）又名郎氏結，郎飞氏结。是神经元的一部分，以首位描述該結構的法國科學家路易斯·安托万·兰维尔為名[1]。
| 蘭氏結 | |
|---|---|
 Drawing of a peripheral nerve axon (labeled "axis cylinder"), showing a node of Ranvier along with other features | |
 光学显微镜下的兰氏结 | |
| 基本 | |
| 系統 | 神经系统 |
| 位置 | Myelinated axon of a nerve |
| 标识字符 | |
| 拉丁文 | incisura myelini |
| MeSH | D011901 |
| TH | H2.00.06.2.03015 |
| 《显微解剖学术语》 | |
神經元的髓鞘包覆著軸突，蘭氏結是神經元上每隔數毫米就會出現的沒有髓鞘的部分。
跳跃传导学说认为，因为在蘭氏结之间的结间区的电阻极高，而在结区的电阻极低，并且轴突膜仅在结区可接触细胞外液，所以，局部电流必须在蘭氏结处穿出膜在髓鞘处形成回路，进行跳跃式传导[2]。
附加圖片
神經元細胞結構示意圖
Medullated nerve fibers stained with silver nitrate
參考文獻
參考文獻
- Baumann, Nicole; Pham-Dinh, Danielle. . Physiological Reviews. 2001, 81 (2): 871–927 [2007-07-13]. PMID 11274346. （原始内容存档于2007-05-26）.
- Ragheb, Fadi. (PDF). Ottawa: National Library of Canada. 1999 [2006-03-07]. （原始内容存档 (PDF)于2006-05-16）.
- Raine, C.S. (1991). Oligodendrocytes and central nervous system myelin. In Textbook of Neuropathology, second edition, R.L. Davis and D.M. Robertson, eds. (Baltimore, Maryland: Williams and Wilkins), pp. 115–141.
- Tkachev D, Mimmack ML, Ryan MM, et al. . Lancet. September 2003, 362 (9386): 798–805. PMID 13678875. doi:10.1016/S0140-6736(03)14289-4.
- Káradóttir, R.; D. Attwell. . Neuroscience. 14 April 2007, 145 (4): 1426–1438. PMC 2173944
. PMID 17049173. doi:10.1016/j.neuroscience.2006.08.070. - Carlson, Neil. . Boston, MA: Allyn & Bacon. 2010: 38–39. ISBN 0-205-66627-2.
- Sokol, Stacey. . Multiple Sclerosis: Physiological Tutorial. [2012-04-29]. （原始内容存档于2012-07-16）.
- Fields, Douglas. . Scientific American. 18 February 2008, 298 (March 2008): 54–61 [2012-04-29]. Bibcode:2008SciAm.298c..54D. doi:10.1038/scientificamerican0308-54. （原始内容存档于2013-11-01）.
- Menn, Benedicte; Oscar Gonzalez-Perez. . The Journal of Neuroscience. 26 July 2006, 26 (30): 7907–7918 [2012-04-29]. PMID 16870736. doi:10.1523/JNEUROSCI.1299-06.2006. （原始内容存档于2019-12-07）.
- Gonzalez-Perez, O, B; Romero-Rodriguez, R; Soriano-Navarro, M; Garcia-Verdugo, JM; Alvarez-Buylla, A. . Stem Cells. 2009, 27 (8): 2032–43. PMC 3346259 . PMID 19544429. doi:10.1002/stem.119.
- Vallstedt, A; Klos JM; Ericson F. . Neuron. 1. 6 January 2005, 45 (1): 55–67. PMID 15629702. doi:10.1016/j.neuron.2004.12.026.
- Thomas, JL; Spassky N; Perez Villegas EM; Olivier C; Cobos I; Goujet-Zalc C; Martínez S; Zalc B. . Journal of Neuroscience Research. 15 February 2000, 59 (4): 471–476. PMID 10679785. doi:10.1002/(SICI)1097-4547(20000215)59:4<471::AID-JNR1>3.0.CO;2-3.
- Richardson, WD; Kessaris, N; Pringle, N. . Nature Reviews Neuroscience. 1. 2006, 7 (1): 11–18. PMID 16371946. doi:10.1038/nrn1826.
外部連結
- Cell Centered Database – Node of Ranvier （页面存档备份，存于）
- Organology at UC Davis nervous/pns/nerve2/nerve5 – "PNS, nerve (LM, Medium)"
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.