Funiculus (neuroanatomy)

Transverse section of human tibial nerve.
Anatomical terms of neuroanatomy

A funiculus 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.

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

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