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Medical Term:

base of brain


the inferior surface of the brain, primarily the brainstem, when seen from below; commonly extended to include the inferior surface of the adjacent parts of the cerebral hemisphere and external features of the diencephalon (optic chiasm, infundibulum, and mammillary body).

Synonym(s): basis cerebri, inferior cerebral surface

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