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Medical Term:

sylvian cistern


Definition: the subarachnoid space associated with the lateral cerebral sulcus (sylvian fissure); contains the M1 segment of the middle cerebral artery and the origin of lenticulostriate arteries, and proximal parts of the middle cerebral artery.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.