sulcus

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Pronunciation

• IPA: /ˈsʌl.kəs/

Noun

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.

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

Translations

• Portuguese: sulco
• Spanish: surco

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