The pericallosal cistern is one of the

subarachnoid cisterns The subarachnoid cisterns are spaces formed by openings in the subarachnoid space, an anatomic space in the meninges of the brain. The space is situated between the two meninges, the arachnoid mater and the pia mater. These cisterns are filled wit ...

. It lies along the top of the corpus callosum from the splenium to the

genu Genu, a Latin word for "knee," may refer to: * Genu of internal capsule * Genu of the corpus callosum * Genu recurvatum * Genu valgum * Genu varum Genu varum (also called bow-leggedness, bandiness, bandy-leg, and tibia vara) is a varus deform ...

. It then joins the

cistern of lamina terminalis The cistern of lamina terminalis is one of the a subarachnoid cisterns in the subarachnoid space in the brain. It lies in front of (''rostral to'') the lamina terminalis and anterior commissure between the two frontal lobes of the cerebrum. The c ...

which connects it with the

chiasmatic cistern The chiasmatic cistern (cistern of chiasma, or suprasellar cistern) is formed as the interpeduncular cistern extends forward across the optic chiasm and onto the upper surface of the corpus callosum – the arachnoid stretches across from one cere ...

References

Meninges {{neuroanatomy-stub