Skip to Content
Medical Term:


Pronunciation: sek′shŭn


  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]