|
(), 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. 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. Fis"sure (), v. t.To cleave; to divide; to crack or fracture. スポンサード リンク
|