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.” The Dictionary, Merriam-Webster Inc., Accessed 23 January 2020.

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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

More from Merriam-Webster on ventral root Encyclopedia article about ventral root

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out of the ordinary or unreasonable

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