ventral root
| Dictionary: ventral root |
n.
The part of a spinal nerve, consisting of motor fibers, that arises from the anterior section of the spinal cord.
| 5min Related Video: ventral root |
| Medical Dictionary: ventral root |
| Wikipedia: Anterior root of spinal nerve |
| Anterior root of spinal nerve | |
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| The formation of the spinal nerve from the dorsal and ventral roots | |
| Latin | radix anterior nervi spinalis |
| Gray's | subject #208 916 |
| MeSH | Ventral+Roots |
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
 Cervical vertebra |
 Medulla spinalis |
 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
- SUNY Figs 02:04-12
- Atlas of anatomy at UMich n3a6p1 - "Autonomic Connections of the Spinal Cord"
- Anatomy Atlases - Microscopic Anatomy, plate 06.114 - "Spinal Root Nerve Fibers"
- Diagram at tcc.fl.edu (look for #2)
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Learn More
 | fusimotoneuron (neuroscience) |
| How are spinal nerves attached to the spinal cord? (anatomy) |
| spinal nerve |
 | What would happen if the ventral root was cut? Read answer... |
| Is ventral root a loss of motor function? Read answer... |
| What would happen if a ventral root were impaired? Read answer... |
Help us answer these
 | What fiber type in ventral root? |
| What is the function of the ventral root? |
| Ventral root of a spinal nerve? |
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Copyrights:
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Anterior root of spinal nerve". Read more |
Related answers
- What is the fiber type in the ventral root?
- What is a ventral root of the spinal cord?
- Does the spinal cord have a ventral or dorsal root?
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Answer these
- What happens when the ventral root is cut?
- Which nerves originate from the ventral root?
- What do the dorsal and ventral roots form?
Mentioned in
- fusimotoneuron (neuroscience)
- How are spinal nerves attached to the spinal cord? (anatomy)
- spinal nerve
- ventral
