| 释义 |
central sulcus
central sulcus n (Anatomy) a deep cleft in each hemisphere of the brain separating the frontal lobe from the parietal lobe Thesaurus| Noun | 1. | central sulcus - a brain fissure extending upward on the lateral surface of both hemispheres; separates the frontal and parietal lobesfissure of Rolando, Rolando's fissure, sulcus centralissulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the braincerebrum - anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans |
central sulcus
central sulcus[′sen·trəl ′səl·kəs] (anatomy) A groove situated about the middle of the lateral surface of the cerebral hemisphere, separating the frontal from the parietal lobe. central sulcus
sulcus [sul´kus] (L.) a groove or furrow; used in anatomic nomenclature to designate a linear depression, especially one of the cerebral sulci.basilar sulcus a groove in the midline of the anterior surface of the pons, lodging the basilar artery.calcarine sulcus a sulcus of the medial surface of the occipital lobe, separating the cuneus from the lingual gyrus.central sulcus fissure of Rolando.cerebral sulci the furrows on the surface of the brain between the gyri (see gyrus). Cerebral sulci, showing some major ones on the superolateral surface of the left cerebral hemisphere. From Dorland's, 2000.collateral sulcus collateral fissure.sul´ci cu´tis fine depressions of the skin between the ridges of the skin.gingival sulcus the space between the surface of the tooth and the epithelium lining the free gingiva.hippocampal sulcus hippocampal fissure.posterior median sulcus posterior median fissure.cen·tral sul·cus [TA] a double-S-shaped fissure extending obliquely upward and backward on the lateral surface of each cerebral hemisphere at the boundary between frontal and parietal lobes. Synonym(s): sulcus centralis [TA], fissure of Rolandocen·tral sul·cus (sen'trăl sŭl'kŭs) [TA] A double S-shaped fissure extending obliquely upward and backward on the lateral surface of each cerebral hemisphere at the boundary between frontal and parietal lobes. Rolando, Luigi, Italian anatomist, 1773-1831. fissure of Rolando - a double S-shaped fissure extending obliquely upward and backward on the lateral surface of each cerebral hemisphere at the boundary between frontal and parietal lobes. Synonym(s): central sulcusrolandic epilepsy - a benign autosomal dominant form of epilepsy occurring in children.Rolando angle - the angle at which the fissure of Rolando meets with the midplane.Rolando area - the region of the cerebral cortex most immediately influencing movements of the face, neck and trunk, arm, and leg. Synonym(s): motor cortexRolando cells - the nerve cells in Rolando gelatinous substance of the spinal cord.Rolando column - a slight ridge on either side of the medulla oblongata related to the descending trigeminal tract and nucleus.Rolando gelatinous substance - the apical part of the posterior horn of the spinal cord's gray matter, composed largely of very small nerve cells. Synonym(s): gelatinous substanceRolando tubercle - a longitudinal prominence on the dorsolateral surface of the medulla oblongata along the lateral border of the tuberculum cuneatum. Synonym(s): tuberculum cinereumLegalSeeCentralcentral sulcus
Synonyms for central sulcusnoun a brain fissure extending upward on the lateral surface of both hemispheresSynonyms- fissure of Rolando
- Rolando's fissure
- sulcus centralis
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