fissure of rolando

Noun

Synonyms: fissure of Rolando Rolando's fissure central sulcus sulcus centralis

WordNet 3.0

Noun (1)

a brain fissure extending upward on the lateral surface of both hemispheres; separates the frontal and parietal lobesSynonyms: fissure of Rolando Rolando's fissure central sulcus sulcus centralis

Webster's Dictionary (GCIDE)

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]