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1. neuroanatom the pons varolii or pons cerebelli; that part of the brainstem between the medulla oblongata caudally and the mesencephalon rostrally, composed of the basilar part of pons and the tegmentum of pons. On the ventral surface of the brain, the basilar part of pons (that is, the white pontine protuberance) is demarcated from both the medulla oblongata and the mesencephalon by distinct transverse grooves. Synonym(s): pons cerebelli, pons varolii
2. Any bridgelike formation connecting two more or less disjoined parts of the same structure or organ.
pons Varolii(pŏnz′ və-rō′lē-ī′)
Varolius,Constantius (Costanzio), Italian anatomist and physician, 1543-1575.
pons varolii - in neuroanatomy, the part of the brainstem between the medulla oblongata caudally and the mesencephalon rostrally. Synonym(s): pons
valve of Varolius - the bilabial prominence of the terminal ileum into the large intestine at the cecocolic junction as seen in cadavers. Synonym(s): ileocecal valve
1. that part of the metencephalon lying between the medulla oblongata and the midbrain, ventral to the cerebellum. See also brainstem.
2. slip of tissue connecting two parts of an organ.