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posterior perforated substance

 

Definition: the bottom of the interpeduncular fossa at the base of the midbrain, extending from the anterior border of the pons forward to the mammillary bodies, and containing numerous openings for the passage of perforating branches of the posterior cerebral arteries.

Synonym(s): substantia perforata posteriorTA, locus perforatus posticus, Malacarne space

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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