Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Posterior root
Introduction
Overview
Overview
In anatomy and neurology, the ventral root (or anterior root) is the efferent motor root of a spinal nerve.
At its distal end, the ventral root joins with the dorsal root to form a mixed spinal nerve.
Additional images
Additional images
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Cervical vertebra -
Medulla spinalis -
The mechanism of the reflex arc -
A spinal nerve with its anterior and posterior roots. -
The motor tract. -
Diagrammatic transverse section of the medulla spinalis and its membranes. -
A portion of the spinal cord, showing its right lateral surface. The dura is opened and arranged to show the nerve roots. -
Scheme showing structure of a typical spinal nerve.
External links
External links
- Template:SUNYAnatomyFigs
- Template:UMichAtlas – “Autonomic Connections of the Spinal Cord”
- Template:AnatomyAtlasesMicroscopic – “Spinal Root Nerve Fibers”
- Diagram at tcc.fl.edu (look for #2)
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]