Ramus of spinal nerve
Ramus of Spinal Nerve

The Ramus of Spinal Nerve is a branch of a spinal nerve that carries both motor and sensory information. It is a part of the peripheral nervous system and plays a crucial role in transmitting signals between the central nervous system and the rest of the body.
Structure[edit | edit source]
Each spinal nerve splits into two branches, known as rami, shortly after it exits the vertebral column. The two types of rami are the dorsal (posterior) ramus and the ventral (anterior) ramus.
Dorsal Ramus[edit | edit source]
The dorsal ramus carries information that supplies muscles and skin on the posterior surface of the body.
Ventral Ramus[edit | edit source]
The ventral ramus is larger and supplies muscles and skin on the lateral and anterior surfaces of the body.
Function[edit | edit source]
The rami of the spinal nerves are responsible for carrying motor, sensory, and autonomic signals between the spinal cord and the body. This includes signals for both voluntary and involuntary actions.
Clinical Significance[edit | edit source]
Damage or injury to the rami can result in a variety of neurological disorders, including radiculopathy, a condition characterized by pain, numbness, or weakness in the areas of the body served by the affected nerves.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD