[in-er-vey-shuh n]


the act of innervating; state of being innervated.
Anatomy. the distribution of nerves to a part.

Origin of innervation

First recorded in 1825–35; innervate + -ion
Related formsin·ner·va·tion·al, adjectivehy·per·in·ner·va·tion, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of innervation

innervation in Medicine




The arrangement or distribution of nerves to an organ or body part.
The amount or degree of stimulation of a muscle or organ by nerves.
Related formsin′ner•vation•al (-shə-nəl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.