Last update:

Spinal Cord Gray Matter Anatomy

  • Each arm (or extension) of the gray matter in the spinal cord is referred to as a horn.
  • Projecting towards the back of the spinal cord are the image descriptiondorsal horns (or posterior horns).
An image showing the gray matter of a spinal cord segment
An image showing the Dorsal horn of the gray matter of a spinal cord segment
1
2
  • Projecting towards the front are the image descriptionventral horns (or anterior horns).
An image showing the gray matter of a spinal cord segment
An image showing the Ventral horn of the gray matter of a spinal cord segment
1
2
  • In the thoracic and upper lumbar regions of the cord, an additional pair of side projections occur, which are called the image descriptionlateral horns.
An image a spinal cord segment
An image showing the Lateral horn of the gray matter of a spinal cord segment
1
2
  • A narrow band of gray matter known as the image descriptiongray commissure stretches across of the center of the spinal cord and connects the two sets of horns.
An image showing the gray matter of a spinal cord segment
An image showing the Gray commissure of the gray matter of a spinal cord segment
1
2
  • In the middle of the gray commissure is the image descriptioncentral canal, which contains cerebral spinal fluid.
An image showing the gray matter of a spinal cord segment
An image showing the Central canal of the gray matter of a spinal cord segment
1
2

Overview:

An image showing the 1. Dorsal horn 2. Ventral horn 3. Central canal 4. Lateral horn 5. Gray commissure without answers,, gray matter of a spinal cord segment
An image showing the 1. Dorsal horn 2. Ventral horn 3. Central canal 4. Lateral horn 5. Gray commissure labeled and answered below, gray matter of a spinal cord segment
Swipe to show/hide the answers
1
2