sulcus

Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

Related to sulcus: central sulcus, coronary sulcus, Sulcus sign, Sulcus limitans

sul·cus

(sŭl′kəs)

n. pl. sul·ci (-kī, -sī)

1. A deep, narrow furrow or groove, as in an organ or tissue.

2. Any of the narrow fissures separating adjacent convolutions of the brain.

[Latin.]

sul′cal adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sulcus

(ˈsʌlkəs)

n, pl -ci (-saɪ)

1. a linear groove, furrow, or slight depression

2. (Anatomy) any of the narrow grooves on the surface of the brain that mark the cerebral convolutions. Compare fissure

[C17: from Latin]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sul•cus

(ˈsʌl kəs)

n., pl. -ci (-sī).

Anat. a groove or fissure, esp. a fissure between two convolutions of the brain.

[1655–65; Latin: furrow]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Noun

sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain

fissure - (anatomy) a long narrow slit or groove that divides an organ into lobes

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

fissure of Sylvius, lateral cerebral sulcus, sulcus lateralis cerebri, Sylvian fissure - the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres

parieto-occipital fissure, parieto-occipital sulcus - a sulcus near the posterior end of each hemisphere that separates the parietal lobes and the occipital lobes in both hemispheres

calcarine fissure, calcarine sulcus - a sulcus in the mesial surface of the occipital lobe of the cerebrum

anatomy, general anatomy - the branch of morphology that deals with the structure of animals

Translations

sulcus

References in periodicals archive ?

Initial and final intraocular lens positions Intraocular lens location Initial (%) Final (%) Anterior chamber 20.8 22.9 Sulcus 50 27.1 Intracapsular 27.1 8.3 Scleral fixation 2.1 10.4 None (aphakic) -- 29.1 Table 5.

Surgical indications and clinical results of patients with exchanged intraocular lenses in a tertiary eye hospital

It's on the right side of the brain behind the ear, in a region called the posterior superior temporal sulcus (pSTS).

Researchers Pinpoint Part of Brain That Recognizes Facial Expressions

The area is called the posterior superior temporal sulcus (pSTS).

How the Brain Reads Other People's Faces

The fractures were reduced with upper buccal sulcus approach by dental instrument.

Reduction of isolated zygomatic arch fractures using dental instrument: Report of 2 cases and review of the literature

Intraoperatively, the tumor was completely buried in a sulcus in the parietal-occipital-temporal region.

Atypical Growth Pattern of an Intraparenchymal Meningioma

Los otolitos derechos se fotografiaron con microscopio estereoscopio (Leica[R] EZ4-HD) y se registraron las siguientes variables morfometricas sobre las imagenes mediante el procesador de imagenes Image-ProPlus[R] 4.5: longitud del otolito (LO), ancho (AO), perimetro del sulcus (PS) y perimetro (PO) en mm y superficie del otolito (SO) y superficie del sulcus (SS) en [mm.sup.2].

Identification of fish stocks of river crocker (Plagioscion ternetzi) in Parana and Paraguay rivers by using otolith morphometric analysis/Identificacion de stocks pesqueros de la corvina de rio (Plagioscion ternetzi) de los rios Paraguay y Parana, mediante el analisis morfometrico de sus otolitos

It launched a successful career, but in 2011 she was diagnosed with congenital sulcus vocalis - holes in the vocal cords - and has undergone three operations.

ON DIGITAL

A pair of small pale tubercles on the pronotal disc just anterior to the posterior sulcus. Lateral carinae strong, straight, diverging towards the rear, deeply cut by the three transverse sulci, but obsolete near the hind margin of the metazona.

Two new species of Phymeurus from East Africa (Orthoptera: Acrididae: Euryphyminae)

It was embarrassing, it was really hard." Connie was struck by throat condition sulcus vocalis and used cortico-steroids to ease swelling of her vocal cords after surgery - taking ever larger doses.

THE PILLS WERE ALIVE WITH THE SOUND OF MUSIC; Star tells of drugs hell

Sulcus extending full length of grain, narrow near the distal pole, margins of sulcus may slightly or strongly overlap.

LATE-PERMIAN MONOCOLPATE AND SULCATE POLLEN FROM CHHIDRU FORMATION, SALT RANGE, PAKISTAN

Shape, type of margin, and type of sulcus acusticus of the otolith of both species were described according to Smale et al.

Lapillus otoliths of the Cathorops spixii (Spix & Agassiz, 1829) and Genidens genidens (Cuvier, 1829) (Actinopterygii-Ariidae)/Otolito lapillus de Cathorops spixii (Spix & Agassiz, 1829) e Genidens genidens (Cuvier, 1829) (Actinopterygii-Ariidae)

It may be easily accessed using a single sulcus incision that also enables harvesting of ear cartilage grafts.