corpus callosum

noun

corpus cal·​lo·​sum -ka-ˈlō-səm How to pronounce corpus callosum (audio)
-kə-
plural corpora callosa -ka-ˈlō-sə How to pronounce corpus callosum (audio)
-kə-
: the great band of commissural fibers uniting the cerebral hemispheres of higher mammals including humans see brain illustration

Examples of corpus callosum in a Sentence

Recent Examples on the Web
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The corpus callosum is the brain structure that connects the two hemispheres of the brain. Carrie Madormo, Rn, Health, 28 Oct. 2024 The theory originated from the work of psychologist Roger W. Sperry, who studied people who had their corpus callosum surgically cut. Carrie Madormo, Rn, Health, 28 Oct. 2024 The impulse is so ingrained that when patients have their corpus callosum severed, making communication between the two hemispheres of the brain impossible, the left hemisphere simply invents plausible explanations to account for inputs to the right side of the brain that the left side hasn’t seen. Brian Klaas, The Atlantic, 10 Apr. 2024 This reduction was evident in a region called corpus callosum, which connects the right and left brain hemispheres. Ignacio Amigo, Discover Magazine, 4 Nov. 2022 See all Example Sentences for corpus callosum 

Word History

Etymology

borrowed from New Latin, literally, "tough body"

First Known Use

1677, in the meaning defined above

Time Traveler
The first known use of corpus callosum was in 1677

Dictionary Entries Near corpus callosum

Cite this Entry

“Corpus callosum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corpus%20callosum. Accessed 21 Nov. 2024.

Medical Definition

corpus callosum

noun
corpus cal·​lo·​sum
-ka-ˈlō-səm, -kə-
plural corpora callosa -sə How to pronounce corpus callosum (audio)
: the great band of commissural fibers uniting the cerebral hemispheres

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