蘭氏結
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蘭氏結 | |
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![]() 周圍神經軸突圖(標記為「axis-cylinday」),顯示蘭氏結及其他特徵 | |
![]() 光學顯微鏡下的蘭氏結 | |
基本資訊 | |
系統 | 神經系統 |
位置 | Myelinated axon of a nerve |
標識字符 | |
拉丁文 | incisura myelini |
MeSH | D011901 |
TH | H2.00.06.2.03015 |
《顯微解剖學術語》 [在維基數據上編輯] |
蘭氏結(英語:Nodes of Ranvier)又名郎氏結,郎飛氏結。是神經元的一部分,以首位描述該結構的法國科學家路易斯·安托萬·蘭維爾為名[1]。
神經元的髓鞘包覆着軸突,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。
跳躍傳導學說認為,因為在蘭氏結之間的結間區的電阻極高,而在結區的電阻極低,並且軸突膜僅在結區可接觸細胞外液,所以,局部電流必須在蘭氏結處穿出膜在髓鞘處形成迴路,進行跳躍式傳導[2]。
概論
神經細胞 |
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典型神經元的結構
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附加圖片
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神經元細胞結構示意圖
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Medullated nerve fibers stained with silver nitrate
參見
參考文獻
參考文獻
- Baumann, Nicole; Pham-Dinh, Danielle. Biology of Oligodendrocyte and Myelin in the Mammalian Central Nervous System. Physiological Reviews. 2001, 81 (2): 871–927 [2007-07-13]. PMID 11274346. (原始內容存檔於2007-05-26).
- Ragheb, Fadi. The M3 Muscarinic Acetylcholine Receptor Mediates p42mapk Activation and c-fos mRNA Expression in Oligodendrocyte Progenitors (PDF). Ottawa: National Library of Canada. 1999 [2006-03-07]. (原始內容存檔 (PDF)於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. Oligodendrocyte dysfunction in schizophrenia and bipolar disorder. Lancet. September 2003, 362 (9386): 798–805. PMID 13678875. doi:10.1016/S0140-6736(03)14289-4.
- Káradóttir, R.; D. Attwell. Neurotransmiter receptors in the life and death of oligodendrocytes. Neuroscience. 14 April 2007, 145 (4): 1426–1438. PMC 2173944
. PMID 17049173. doi:10.1016/j.neuroscience.2006.08.070.
- Carlson, Neil. Physiology of Behavior. Boston, MA: Allyn & Bacon. 2010: 38–39. ISBN 0-205-66627-2.
- Sokol, Stacey. The Physiology and Pathophysiology of Multiple Sclerosis. Multiple Sclerosis: Physiological Tutorial. [2012-04-29]. (原始內容存檔於2012-07-16).
- Fields, Douglas. White Matter Matters. Scientific American. 18 February 2008, 298 (March 2008): 54–61 [2012-04-29]. Bibcode:2008SciAm.298c..54D. doi:10.1038/scientificamerican0308-54. (原始內容存檔於2013-11-01).
- Menn, Benedicte; Oscar Gonzalez-Perez. Origin of Oligodendrocytes in the Subventricular Zone of the Adult Brain. The Journal of Neuroscience. 26 July 2006, 26 (30): 7907–7918 [2012-04-29]. PMID 16870736. doi:10.1523/JNEUROSCI.1299-06.2006. (原始內容存檔於2019-12-07).
- Gonzalez-Perez, O, B; Romero-Rodriguez, R; Soriano-Navarro, M; Garcia-Verdugo, JM; Alvarez-Buylla, A. Epidermal growth factor induces the progeny of subventricular zone type B cells to migrate and differentiate into oligodendrocytes.. Stem Cells. 2009, 27 (8): 2032–43. PMC 3346259
. PMID 19544429. doi:10.1002/stem.119.
- Vallstedt, A; Klos JM; Ericson F. Multiple dorsoventral origins of oligodendrocyte generation in the spinal cord and hindbrain. 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. Spatiotemporal development of oligodendrocytes in the embryonic brain. 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. Oligodendrocyte wars. 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 (頁面存檔備份,存於互聯網檔案館)
- Organology at UC Davis nervous/pns/nerve2/nerve5 – "PNS, nerve (LM, Medium)"
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