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.
adj. 1. directed or moving ahead. 2. lying or situated in or near the front part of something. 3. presumptuous, pert, or impudent: a forward remark. 4. well developed or advanced, esp in physical, material, or intellectual growth or development: forward ideas.