sulcus

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English[edit]

Lateral sulcus (fissure on the surface of the brain)
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Etymology[edit]

Borrowed from Latin sulcus. Doublet of sullow.

Pronunciation[edit]

Noun[edit]

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.
    Synonym: fissure
  3. (planetology) A region of subparallel grooves or ditches formed by a geological process.

Coordinate terms[edit]

Derived terms[edit]

Translations[edit]


Latin[edit]

Etymology[edit]

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

Pronunciation[edit]

Noun[edit]

sulcus m (genitive sulcī); second declension

  1. furrow
  2. ploughing

Declension[edit]

Second-declension noun.

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

Descendants[edit]

References[edit]