Full Corpus Callosum Description
[Continued from above] . . . terminalis; (2) a thick, rounded, back end called the splenium; (3) a middle portion or trunk arches over the back, between the front and back extremities. Central to the curvature of the front half of the corpus callosum can be seen the laminae of the septum pellucidum. These are two thin plates of gray and white matter that extend on each side between the corpus callosum and another curved, flattened bundle of white matter fibers, called the fornix. The function of the corpus callosum is to link the two cerebral hemispheres and allow the two sides of the brain to intercommunicate.