fissure of Rolando

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 methods. His most important studies, however, concerned the anatomy, physiology, and embryology of the brain. He paid particular interest to the gray matter. He was the first to investigate the functions of the cerebellum. In an 1824 report on the brain he described the motor area in the cerebral cortex comprising both the precentral and the postcentral gyri. This area is now known as the Rolandic area. In 1825 he published his observations on the cerebellum. One of the features described was a fissure between the parietal and frontal lobes. This is now often called the fissure of Rolando.

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sulcus centralis cerebri.

Medical dictionary. 2011.

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  • 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 …   The Collaborative International Dictionary of English

  • 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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