ventral root


Definition of ventral root

: the one of the two roots of a spinal nerve that passes ventrally from the spinal cord and consists of motor fibers — compare dorsal root

First Known Use of ventral root

circa 1923, in the meaning defined above

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The first known use of ventral root was circa 1923

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Cite this Entry

“Ventral root.” Dictionary, Merriam-Webster, Accessed 25 Jan. 2021.

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ventral root


Medical Definition of ventral root

: the one of the two roots of a spinal nerve that passes anteriorly from the spinal cord separating the anterior and lateral funiculi and that consists of motor fibers

called also anterior root

— compare dorsal root

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