corpus callosum

noun corpus cal·lo·sum \-ka-ˈlō-səm\

plural corpora cal·lo·sa \-sə\

Definition of CORPUS CALLOSUM

: the great band of commissural fibers uniting the cerebral hemispheres of higher mammals including humans — see brain illustration

New Latin, literally, callous body

First Known Use: 1677

Medical Dictionary

noun corpus cal·lo·sum \-ka-ˈlō-səm\

plural corpora cal·lo·sa \-sə\

: the great band of commissural fibers uniting the cerebral hemispheres

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