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.
Meaning of âimpetusâ in the English Dictionary. See all translations. uk â /ËÉªm.pÉª.tÉs/ us â /ËÉªm.pÉ.tÌ¬És/. âº something that encourages a particular activity or makes that activity more energetic or effective: The recent publicity surrounding homelessness has given (a) fresh impetus to the cause.