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Pronunciation: sek'shun


  1. The act of cutting.
  2. A cut or division.
  3. A segment or part of any organ or structure delimited from the remainder.
  4. A cut surface.
  5. A thin slice of tissue, cells, microorganisms, or any other material for examination under the microscope.

Synonym(s): microscopic section

[L. sectio, a cutting, fr. seco, to cut]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.