| Chiasmatic cistern | |
| Latin: | cisterna chiasmatica, cisterna chiasmatis |
The chiasmatic cistern or suprasellar cistern is a small subarachnoid cistern related to the optic chiasm.[1]
The cistern is situated superior to the optic chiasm, and inferior to the rostrum of corpus callosum.[2]
The cistern is an extension of/communicates inferiorly with the interpeduncular cistern. The cistern of lamina terminalis connects the chiasmatic cistern with the pericallosal cistern.[3]
It contains the anterior aspect of the optic chiasm and both optic nerves (CN II), the pituitary stalk, the origin of the anterior cerebral artery, and the anterior communicating artery.