sulcus

Hello, you have come here looking for the meaning of the word sulcus. In DICTIOUS you will not only get to know all the dictionary meanings for the word sulcus, but we will also tell you about its etymology, its characteristics and you will know how to say sulcus in singular and plural. Everything you need to know about the word sulcus you have here. The definition of the word sulcus will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofsulcus, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

English Wikipedia has an article on:
Wikipedia
Lateral sulcus (fissure on the surface of the brain)

Etymology

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

Pronunciation

Noun

sulcus (plural sulci)

  1. (anatomy) A furrow or groove in an organ or a tissue, especially that marking the convolutions of the surface of the brain.
    Synonym: fissure
    Hyponyms: central sulcus, cruciate sulcus, lateral sulcus
    Coordinate term: gyrus
    • 1996, David Foster Wallace, Infinite Jest , Boston, Mass., New York, N.Y.: Little, Brown and Company, →ISBN, page 186:
      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.
    • 1999, Thomas C. Pritchard, Kevin D. Alloway, Medical Neuroscience, page 55:
      The largest sulcus, the longitudinal fissure, divides the brain into left and right hemispheres.
    • 2006, Inderbir Singh, Textbook of Human Neuroanatomy, 7th edition, page 72:
      Unlike most other sulci, the lateral sulcus is very deep.
    • 2014, John Kiernan, Raj Rajakumar, Barr's The Human Nervous System: An Anatomical Viewpoint, 10th edition, page 213:
      The large surface area of the human cerebral cortex results in a pattern of gyri and sulci.
  2. (planetology) A region of subparallel grooves or ditches formed by a geological process.

Derived terms

Translations

References

Latin

Etymology

From Proto-Italic *solkos, from Proto-Indo-European *solk-o-s (furrow), *selk- (to pull, drag), whence also Old English sulh. Doublet of holcus.

Pronunciation

Noun

sulcus m (genitive sulcī); second declension

  1. (agriculture) A furrow made by a plow.
    Synonym: fossa
  2. (transferred sense):
    1. (agriculture) Ploughing.
    2. : (of things resembling a furrow)
      1. A long, narrow trench; a ditch.
      2. (in general) A rut or track.

Inflection

Second-declension noun.

Case Singular Plural
Nominative sulcus sulcī
Genitive sulcī sulcōrum
Dative sulcō sulcīs
Accusative sulcum sulcōs
Ablative sulcō sulcīs
Vocative sulce sulcī

Derived terms

Descendants

References

  • sulcus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • sulcus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • sulcus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • sulcus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
  • De Vaan, Michiel (2008) Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7)‎, Leiden, Boston: Brill, →ISBN