First commissure to develop: (A) Corpus callosum, (B) Anterior commissure, (C) Hippocampus, (D) None of the above
Answer is B. The anterior commissure,connecting the archipallia(olfactory bulbs,piriform area and anterior pas of temporal lobes)of the two sides. REF.B D Chaurasia's Human Anatomy vol.3,fifth edition,pg.419