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Ventral root
From Wikipedia, the free encyclopedia
(Redirected from Anterior roots)
| Ventral root | |
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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 |
| Dorlands/Elsevier | r_02/12687790 |
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.
 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. |
- 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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This neuroscience article is a stub. You can help Wikipedia by expanding it. |
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| Spinal nerve | Dorsal (Root, Ganglion, Ramus) • Ventral (Root, Ramus) • Sympathetic trunk • rami communicantes (Gray, White) |
| Gray matter/Rexed laminae | Posterior horn (Column of Clarke, Substantia gelatinosa of Rolando, Nucleus proprius) • Lateral horn • Anterior horn • Central canal/Substantia gelatinosa centralis |
| White matter: somatic/ascending (blue) | |
| White matter: motor/descending (red) |
Lateral: Corticospinal (Lateral) • Ep (Rubrospinal, Olivospinal) Anterior: Corticospinal (Anterior) • Ep (Vestibulospinal, Tectospinal, Reticulospinal) |
| Layers | Epidural space • Dura mater • Subdural space • Arachnoid mater • Subarachnoid space • Pia mater |
| Other structures | Denticulate ligaments • Conus medullaris • Cauda equina • Filum terminale • Cervical enlargement • Lumbar enlargement • Anterior median fissure |