Best Answer: B) Corpus callosum which is a wide, flat bundle of neural fibers beneath the cortex in the eutherian brain at the longitudinal fissure. It connects the left and right cerebral hemispheres and facilitates interhemispheric communication. It is the largest white matter structure in the brain, consisting of 200â250 million contralateral axonal projections.
harebrained â(comparative more harebrained, superlative most harebrained) ( 1 of an idea or plan etc) absurd, foolish or stupid. ( 2 of a person) frivolous and silly; featherbrained or scatterbrained.
: brain 1a. 2. : an enlarged anterior or upper part of the brain; especially: the expanded anterior portion of the brain that in higher mammals overlies the rest of the brain, consists of cerebral hemispheres and connecting structures, and is considered to be the seat of conscious mental processes: telencephalon. brain 1a. 2. : an enlarged anterior or upper part of the brain; especially: the expanded anterior portion of the brain that in higher mammals overlies the rest of the brain, consists of cerebral hemispheres and connecting structures, and is considered to be the seat of conscious mental processes: telencephalon.