You searched for: “chiasmatic cistern
chiasmatic cistern (s) (noun), chiasmatic cisterns (pl)
A dilation of the subarachnoid (soft fibers or hairs so entangled as to give look like a cobweb) space below and anterior to the crossing of the optic nerves from one side to the other side.
This entry is located in the following unit: chiasto-, chiasm- + (page 1)