Body of Fornix help

biferi

There are two Hippocampi one on eatch side of the Brain and they go back and then up. Then they have Fibers that go inbetween the two side just going up the back. And then the turn into One pice called the Body Of Fornix.

But the Body Of Fonix goes to the front and down but in the Front of the Body Of Fornix it has two pices again.
What are they is it turning back to the two halves of the Hippocampi again?