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Q: Why are ganglia absent in the ventral roots of the spinal nerves?
A: The ganglia are usually placed in the intervertebral foramina, immediately outside the points where the nerve roots perforate the dura mater, [ [ but there are exceptions to this rule; thus the ganglia of the first and second cervical nerves lie on the vertebral arches of the atlas and axis respectively, those of the sacral nerves are inside the vertebral canal, while that on the posterior root
of the coccygeal nerve is placed within the sheath of dura mater. It is absent in ventral roots because ganglia sends information and the spinal nerves are dorsal which recieves information. you would not have the one the sends information in the nerve that recieves information you would be wasting resources ] ]
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User: Why are ganglia absent in the ventral roots of the spinal nerves?

Weegy: The ganglia are usually placed in the intervertebral foramina, immediately outside the points where the nerve roots perforate the dura mater, [ [ but there are exceptions to this rule; thus the ganglia of the first and second cervical nerves lie on the vertebral arches of the atlas and axis respectively, those of the sacral nerves are inside the vertebral canal, while that on the posterior root of the coccygeal nerve is placed within the sheath of dura mater. It is absent in ventral roots because ganglia sends information and the spinal nerves are dorsal which recieves information. you would not have the one the sends information in the nerve that recieves information you would be wasting resources ] ]
bongche|Points 1684|

User: Compare the location of myelinated an unmyelinated nerve fibres in the brain and spinal cord?

User: If a disease in your spinal bones causes compression of your dorsal root ganglion, what symptoms would you have?

Weegy: Why the dorsal root ganglion are larger in diameter than dorsal root ... If any of these are not a genuine rephrasing of the question, please help out and edit these alternates. ... [ ]
ANGEEELICA|Points 7867|

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Asked 4/24/2012 4:40:53 PM
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