Biology:Funiculus (neuroanatomy)

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Funiculus
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Transverse section of human tibial nerve.
Anatomical terms of neuroanatomy

A funiculus or column [1] is a small bundle of axons (nerve fibres), enclosed by the perineurium. A small nerve may consist of a single funiculus, but a larger nerve will have several funiculi collected together into larger bundles known as fascicles. Fascicles are bound together in a common membrane, the epineurium.[2][3]

Funiculi in the spinal cord are portions of white matter.[4] Examples include:

References

  1. "Ascending and descending tracts of the spinal cord" (in en). https://www.kenhub.com/en/library/anatomy/ascending-and-descending-tracts-of-the-spinal-cord. 
  2. Gray, Henry; Lewis, Warren Harmon (1918). Anatomy of the human body. Harold B. Lee Library. Philadelphia : Lea & Febiger. https://archive.org/details/anatomyofhumanbo1918gray. 
  3. Siegel, A. & Sapru, H. (2011). Essential neuroscience. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.
  4. "Spinal Cord White Matter". http://vanat.cvm.umn.edu/neurLab2/SpCdWhite.html.