Grey commissure
Grey Commissure
The Grey Commissure (also known as the Gray Commissure or Commissura Grisea) is a thin strip of Grey matter that surrounds the Central Canal of the Spinal cord. It connects the two halves of the spinal cord and serves as a communication bridge between the two sides.
Anatomy[edit | edit source]
The Grey Commissure is located in the center of the spinal cord, surrounding the Central Canal. It is composed of unmyelinated neurons and glial cells. The commissure is divided into two parts: the anterior grey commissure and the posterior grey commissure. The anterior grey commissure is located in front of the Central Canal, while the posterior grey commissure is located behind it.
Function[edit | edit source]
The primary function of the Grey Commissure is to allow communication between the two halves of the spinal cord. It carries decussating sensory fibers from one side of the body to the other. This allows for the transmission of sensory information from one side of the body to the opposite side of the brain.
Clinical Significance[edit | edit source]
Damage to the Grey Commissure can result in a variety of neurological disorders. For example, Syringomyelia, a condition characterized by the formation of a fluid-filled cyst in the spinal cord, often affects the Grey Commissure. This can lead to symptoms such as pain, weakness, and loss of sensation in the affected areas.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD