the two neocortical commissures , the corpus callosum , and the anterior commissure contain small but cytologically distinct archicortical components : the hippocampal commissure , which lies ventral to the splenium of the corpus callosum , and the basal telencephalic commissure , which forms a small crescent at the anterior margin of the anterior commissure .
C0010090
corpus callosum
C0152319
the splenium of