What Is a Dorsal Ramus
The Dorsal Ramus (Latin for Branch, Plural Rami ) Is the Dorsal Branch of a Spinal Nerve That Forms from the Dorsal Root of the Nerve After It Emerges from the...
The dorsal ramus (Latin for branch, plural rami ) is the dorsal branch of a spinal nerve that forms from the dorsal root of the nerve after it emerges from the spinal cord.
What is the difference between a dorsal root and dorsal ramus?
Spinal roots carry sensory (dorsal root) or motor (ventral root) neurons, whereas the spinal nerves and rami contain a mixture of sensory and motor neurons. The dorsal rami seg-mentally innervate deep back muscles (motor) and the skin of the back (sensory).
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What parts of the body does the dorsal ramus service?
The dorsal ramus supplies the muscles on the dorsal part of the body (back, dorsal muscles, and skin); and the ventral ramus supplies the ventral muscles and skin of the ventral body wall. The ventral ramus also communicates with the sympathetic portion of the autonomic nervous system.
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