In
anatomy
Anatomy () is the branch of morphology concerned with the study of the internal structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old scien ...
and
neurology
Neurology (from , "string, nerve" and the suffix wikt:-logia, -logia, "study of") is the branch of specialty (medicine) , medicine dealing with the diagnosis and treatment of all categories of conditions and disease involving the nervous syst ...
, the ventral root of spinal nerve, anterior root, or motor root
is the
efferent motor root of a
spinal nerve
A spinal nerve is a mixed nerve, which carries Motor neuron, motor, Sensory neuron, sensory, and Autonomic nervous system, autonomic signals between the spinal cord and the body. In the human body there are 31 pairs of spinal nerves, one on each s ...
.
At its distal end, the ventral root joins with the
dorsal root to form a
mixed spinal nerve.
Additional images
Image:Cervical vertebra english.png, Cervical vertebra
Image:Medulla spinalis - Section - English.svg, Medulla spinalis
Image:Gray675.png, A spinal nerve with its anterior and posterior.
Image:Gray764.png, The motor tract.
Image:Gray770-en.svg, Diagrammatic transverse section of the medulla spinalis and its membranes.
Image:Gray796.png, A portion of the spinal cord, showing its right lateral surface. The dura is opened and arranged to show the nerve roots.
Image:Gray799.svg, Scheme showing structure of a typical spinal nerve.
References
External links
*
* - "Autonomic Connections of the Spinal Cord"
* - "Spinal Root Nerve Fibers"
Diagram at tcc.fl.edu (look for #2)
Back anatomy
Peripheral nervous system
Thoracic nerves
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