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.
See also. 1  Corpus callosum, a structure in the brain. 2  Corpus cavernosum (disambiguation), a pair of structures in human genitals. 3  Corpus luteum, a temporary endocrine structure in mammals. 4  Corpus gastricum, the Latin term referring to the body of the stomach. 5  Corpus alienum, a foreign object originating outside the body.