A roast beef sandwich on white bread is a deli classic. Usually made with beef from the round, or hind leg, section of the cow -- roast beef is one of the leaner cuts of beef with fewer calories than fattier sections. Video of the Day
corpus callosum. a great band of deeply situated transverse white fibers uniting the two halves of the cerebrum in humans and other mammals.
The corpus callosum is a thick band of nerve fibers that divides the cerebrum into left and right hemispheres. The corpus callosum is a thick band of nerve fibers that divides the cerebrum into left and right hemispheres.