Fissure /(?)/

Fis·sure

Fissure

n.
  1. A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock.

Phrases & Compounds
Cerebral fissures
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
a spiral needle for catching together the gaping lips of wounds.
Fissure of rolando
the furrow separating the frontal from the parietal lobe in the cerebrum.
Fissure of Sylvius
a deep cerebral fissure separating the frontal from the temporal lobe. See Illust. under Brain.
Fissure vein
a crack in the earth's surface filled with mineral matter.

Fissure

v. t.
  1. To cleave; to divide; to crack or fracture.