The carotid cistern is one of the basal (subarachnoid) cisterns that surrounds the supraclinoid internal carotid artery.
Gross anatomy
Relations and/or Boundaries
The carotid cistern lies between these brain structures:
- medially: the optic chiasm and nerve
- laterally: the mesial temporal lobe
- superiorly: the anterior perforated substance
The carotid cistern borders the following named CSF spaces:
- laterally: the Sylvian cistern/fissure
- posteriorly: the crural cistern and (separated by the Lillequist membrane) interpeduncular cistern
- medially: the chiasmatic (suprasellar) and lamina terminalis cisterns
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