corpora callosa

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corpora cal·lo·sa

Plural of corpus callosum.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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PITTSBURGH -- The corpora callosa of individuals with autism are smaller than those of healthy controls both during early childhood and after age 30 years, according to data presented during a poster session at the annual meeting of the Child Neurology Society.
Williams of Duquesne University, Pittsburgh, and her colleagues used magnetic resonance imaging to examine the corpora callosa of 80 high-functioning males with autism (aged 9-53 years) and 80 healthy age-matched male controls.
After controlling for IQ, age, and total brain volume, the group with autism had reliably smaller corpora callosa than did controls.