Callosum n. : The great band commissural fibers which unites the two cerebral hemispheres. See corpus callosum, under Carpus.

Example:
what is the corpus Callosum and how would it be involved when being pulled over by a cop?

Taxonomy
corpus callosum, brain, human corpus callosum, Coronal section, dimorphism, differences, free encyclopedia, portion, the brain, men and women, gender differences, human brain, lateral ventricles, search, genu, relationship, paper, Serbian.

Defination from the web:
callosum is a structure of the mammalian brain in the longitudinal fissure that connects the left and right cerebral hemispheres. ... A complete or partial absence of it in humans is called agenesis of the corpus callosum. Split-brain. Septo-optic dysplasia (deMorsier syndrome) ...