tuber cinereum(redirected from Tubercle of Rolando)
Also found in: Medical.
tuber cinereum[′tü·bər si′ner·ē·əm]
An area of gray matter extending from the optic chiasma to the mammillary bodies and forming part of the floor of the third ventricle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.