Dictionary

sulcus en · NOUN

Pronunciation

• (Southern-England) audio
• /ˈsʌl.kəs/

Etymology

Borrowed from Latin sulcus (“a furrow made by a plow”). Doublet of sullow ("plough").

Meanings

1. A furrow or groove in an organ or a tissue, especially that marking the convolutions of the surface of the brain.
   • Unlike most other sulci, the lateral sulcus is very deep. 2006, Inderbir Singh, Textbook of Human Neuroanatomy, 7th edition, page 72:
   • The sulci and gyri are the grooves and ridges, respectively.
   • The large surface area of the human cerebral cortex results in a pattern of gyri and sulci. 2014, John Kiernan, Raj Rajakumar, Barr's The Human Nervous System: An Anatomical Viewpoint, 10th edition, page 213:
   • The largest sulcus, the longitudinal fissure, divides the brain into left and right hemispheres. 1999, Thomas C. Pritchard, Kevin D. Alloway, Medical Neuroscience, page 55:
   • The Union’s soft latex-polymer roof is cerebrally domed and a cloudy piamater pink except in spots where it’s eroded down to pasty gray, and everywhere textured, the bulging rooftop, with sulci and bulbous convolutions. 1996, David Foster Wallace, Infinite Jest […], Boston, Mass.; New York, N.Y.: Little, Brown and Company, →ISBN, page 186:
2. A region of subparallel grooves or ditches formed by a geological process.

Forms

Coordinates

gyrus · fovea · fossa · cleft · vallecula · fissure · lacuna

Deriveds

intermammary sulcus · sulcal · sulcification · sulcate · sulcus cutis · sulciform · gluteal sulcus · pseudosulcus · hemisulcus · hyposulcus

Translations (25)

cs zářez (furrow or groove in an organ or a tissue) · fi uurre (furrow or groove in an organ or a tissue) · cs rýha (furrow or groove in an organ or a tissue) · el αύλακας (groove on the surface of the brain) · bg вдлъбнатина (furrow or groove in an organ or a tissue) · de Furche (furrow or groove in an organ or a tissue) · pt sulco (groove on the surface of the brain) · bg мозъчна гънка (groove on the surface of the brain) · sk ryha (furrow or groove in an organ or a tissue) · hu barázda (furrow or groove in an organ or a tissue) · fi aivouurre (groove on the surface of the brain) · el αύλακας (furrow or groove in an organ or a tissue) · pl bruzda (groove on the surface of the brain) · es surco (groove on the surface of the brain) · ar تَلَم (furrow or groove in an organ or a tissue) · hu barázda (groove on the surface of the brain) · bg бразда (furrow or groove in an organ or a tissue) · sh brázda (groove on the surface of the brain) · sh бра́зда (groove on the surface of the brain) · cmn 溝 /沟 (furrow or groove in an organ or a tissue) · pl bruzda (furrow or groove in an organ or a tissue) · ar ثَلْم (groove on the surface of the brain) · hu agybarázda (groove on the surface of the brain) · cs brázda (furrow or groove in an organ or a tissue) · eo sulko (furrow or groove in an organ or a tissue)