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a depression or furrow.
vallecula cerebel´li a longitudinal fissure on the inferior cerebellum, in which the medulla oblongata rests.
vallecula syl´vii a depression made by the fissure of Sylvius at the base of the brain.
lat·er·al ce·re·bral fos·sa[TA]
the deep depression of the basal surface of the forebrain that corresponds in position to the anterior perforated substance. Bounded medially by the optic tract and rostrally by the orbital surface of the frontal lobe, it extends laterally around the overhanging pole of the temporal lobe into the sylvian fissure (sulcus lateralis).
Sylvius,Franciscus, Dutch physician, 1614-1672.
aqueduct of Sylvius
fossa of Sylvius
sylvian fissure - Synonym(s): lateral cerebral sulcus
sylvian valve - Synonym(s): valve of inferior vena cava
sylvian ventricle - Synonym(s): cavity of septum pellucidum