dorsal root

American  

[dawr-suhl root] / ˈdɔr səl ˌrut /

noun

dorsal roots plural

1. Physiology. one of the two roots that come from the spinal cord and merge to form each spinal nerve; the component of a spinal nerve that transmits sensation. Compare ventral root.

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Other Word Forms

Noun Inflected Forms

• dorsal roots
  plural

Example Sentences

See Examples For:

dorsal root

The team also tested a more direct method by injecting isolated mitochondria from both humans and mice into the dorsal root ganglia, clusters of nerve cells that send sensory information to the brain.

From Science Daily ● May 24, 2026

These overstimulated immune cells then move toward the dorsal root ganglia -- the sensory nerve hubs that link the limbs to the spinal cord -- and release inflammatory compounds that irritate and damage nerves.

From Science Daily ● Nov. 21, 2025

Using mouse antibodies that glom on to proteasomes, and other methods, the investigators found the proteasomes on the surface of neurons in the spinal cord, dorsal root ganglia, sciatic nerve and peripheral nerves innervating skin.

From Science Daily ● Apr. 12, 2024

Sensory ganglia contain unipolar sensory neurons and are found on the dorsal root of all spinal nerves as well as associated with many of the cranial nerves.

From Textbooks ● Jun. 19, 2013

But I soon discovered that such nerve cells are found outside the grey matter all the way to the so-called spinal ganglion of the dorsal root.

From A General Introduction to Psychoanalysis by Freud, Sigmund