fissure of sylvius

2 definitions found

fissure of sylvius - Collaborative International Dictionary of English v.0.48 :

  Fissure \Fis"sure\, n. [L. fissura, fr. findere, fissum, to
     cleave, split; akin to E. bite: cf. F. fissure.]
     A narrow opening, made by the parting of any substance; a
     cleft; as, the fissure of a rock.
     [1913 Webster]
  
     Cerebral fissures (Anat.), the furrows or clefts by which
        the surface of the cerebrum is divided; esp., the furrows
        first formed by the infolding of the whole wall of the
        cerebrum.
  
     Fissure needle (Surg.), a spiral needle for catching
        together the gaping lips of wounds. --Knight.
  
     Fissure of rolando (Anat.), the furrow separating the
        frontal from the parietal lobe in the cerebrum.
  
     Fissure of Sylvius (Anat.), a deep cerebral fissure
        separating the frontal from the temporal lobe. See Illust.
        under Brain.
  
     Fissure vein (Mining), a crack in the earth's surface
        filled with mineral matter. --Raymond.
        [1913 Webster]

fissure of sylvius - WordNet (r) 2.1 (2005) :

  fissure of Sylvius
      n 1: the deepest and most prominent of the cortical fissures;
           separates the frontal lobes and temporal lobes in both
           hemispheres [syn: fissure of Sylvius, Sylvian fissure,
           lateral cerebral sulcus, sulcus lateralis cerebri]