Fissure of rolando

Fissure of rolando
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]


The Collaborative International Dictionary of English. 2000.

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  • fissure of Rolando — fissure of Ro·lan·do rō lan (.)dō, län n CENTRAL SULCUS Rolando Luigi (1773 1831) Italian anatomist and physiologist. Rolando did his early research on the anatomy and physiology of the nervous system in humans and animals, using comparative… …   Medical dictionary

  • fissure of Rolando — noun a brain fissure extending upward on the lateral surface of both hemispheres; separates the frontal and parietal lobes • Syn: ↑Rolando s fissure, ↑central sulcus, ↑sulcus centralis • Hypernyms: ↑sulcus • Part Holonyms: ↑cerebru …   Useful english dictionary

  • fissure of Rolando — /roh lan doh, lahn /. See central sulcus. [named after L. Rolando (d. 1831), Italian anatomist] * * * …   Universalium

  • 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 …   The Collaborative International Dictionary of English

  • Fissure needle — 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 …   The Collaborative International Dictionary of English

  • Fissure of Sylvius — 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 …   The Collaborative International Dictionary of English

  • Fissure vein — 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 …   The Collaborative International Dictionary of English

  • Rolando's fissure — noun a brain fissure extending upward on the lateral surface of both hemispheres; separates the frontal and parietal lobes • Syn: ↑fissure of Rolando, ↑central sulcus, ↑sulcus centralis • Hypernyms: ↑sulcus • Part Holonyms: ↑cerebrum …   Useful english dictionary

  • Rolando line — a line on the head marking the position of the central cerebral sulcus (fissure of Rolando) beneath …   Medical dictionary

  • fissure of Ro|lan|do — «roh LAN doh», a deep groove separating the frontal and parietal lobes of each hemisphere of the brain; central fissure. ╂[< Luigi Rolando, 1773 1831, an Italian anatomist] …   Useful english dictionary

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