Share this entry

corpus callosum Syllabification: cor·pus cal·lo·sum
Pronunciation: /ˌkôrpəs kəˈlōsəm/

Definition of corpus callosum in English:

noun (plural corpora callosaˈkôrpərə kaˈlōsə)

A broad band of nerve fibers joining the two hemispheres of the brain.
Example sentences
  • The mass extended into the left hemisphere through the anterior corpus callosum and obliterated the frontal horn of the right lateral ventricle.
  • In this preparation the corpus callosum, caudate nucleus, and most brainstem structures have been removed.
  • In addition, in murderers' brains, the corpus callosum - a band of tissue that links the right and left hemispheres - also functioned poorly.


Early 18th century: from corpus and Latin callosum, neuter of callosus 'tough'.

Definition of corpus callosum in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources