Corpus callosum: (A) Projection fibers, (B) Commissoral fibers, (C) Association fibers, (D) None
Answer is B. Corpus callosum is the largest commissure of brain, interconnecting two identical/ corresponding areas of cerebral hemispheres.Other commissures are:Anterior commissurePosterior commissureHippocampal commissureHabenular commissureNOTE: The primary visual area and hand region of primary somatosensory area of coex have no commissural fibres.(Ref: Vishram Singh textbook of clinical neuroanatomy, second edition, pg- 163)