sulcus

Contents

EnglishEdit

Lateral sulcus (fissure on the surface of the brain)
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EtymologyEdit

From Latin.

NounEdit

sulcus ‎(plural sulci)

  1. (anatomy) A furrow or groove in an organ or a tissue.
  2. (anatomy) Any of the grooves that mark the convolutions of the surface of the brain.
    • 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.
  3. (planetology) A region of subparallel grooves or ditches formed by a geological process.

SynonymsEdit

  • (furrow in an organ or tissue):
  • (groove marking a convolution of the brain's surface): fissure
  • (region of subparallel grooves or ditches formed by a geological process):

Coordinate termsEdit

Derived termsEdit


LatinEdit

EtymologyEdit

From Proto-Indo-European *solk-o- ‎(furrow), *selk- ‎(to pull, drag), whence also Old English sulh.

PronunciationEdit

NounEdit

sulcus m ‎(genitive sulcī); second declension

  1. furrow
  2. ploughing

InflectionEdit

Second declension.

Case Singular Plural
nominative sulcus sulcī
genitive sulcī sulcōrum
dative sulcō sulcīs
accusative sulcum sulcōs
ablative sulcō sulcīs
vocative sulce sulcī

DescendantsEdit

ReferencesEdit

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