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
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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