dorsal horn

noun

Medical Definition of dorsal horn

: a longitudinal subdivision of gray matter in the dorsal part of each lateral half of the spinal cord that receives terminals from some afferent fibers of the dorsal roots of the spinal nerves

called also dorsal column, posterior column, posterior gray column, posterior horn

— compare lateral column sense 1, ventral horn

Learn More about dorsal horn

Cite this Entry

“Dorsal horn.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/dorsal%20horn. Accessed 5 Dec. 2020.

Comments on dorsal horn

What made you want to look up dorsal horn? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!