corpus callosum

[ kawr-puhs kuh-loh-suhm ]

noun

, Anatomy, Zoology.

, plural cor·po·ra cal·lo·sa [kawr, -per-, uh, k, uh, -, loh, -s, uh].

1. a great band of deeply situated transverse white fibers uniting the two halves of the cerebrum in humans and other mammals.

corpus callosum

/ kəˈləʊsəm /

noun

1. the band of white fibres that connects the cerebral hemispheres in mammals

corpus callosum

/ kə-lō′səm /

, Plural corpora callosa

1. The transverse band of nerve fibers that connects the right and left cerebral hemispheres.

Word History and Origins

Origin of corpus callosum¹

1700–10; < New Latin: literally, firm body

Word History and Origins

Origin of corpus callosum¹

New Latin, literally: callous body

Example Sentences

One patient whose corpus callosum, which connects the brain’s hemispheres, had been severed was asked whether he believed in God.

From Washington Post

The corpus callosum— which connects the left and right sides of the brain — had not formed.

From Los Angeles Times

Two brains are connected via brain bridging, a futuristic technology that permits neurons to directly and reciprocally influence each other, acting as an artificial corpus callosum.

From Nature

A rare condition called Agenesis of the corpus callosum meant the part that connects the two hemispheres in the brain had failed to develop.

From BBC

Due to his missing corpus callosum, Ellis has a disorder called “agenesis of the corpus callosum.”

From Fox News