Thin slice of tissue, cells, microorganisms, or any material for examination under the microscope. See: cross section. Picture of any portion of a body part which has been attained through methods like computed tomography or magnetic resonance imaging (MRI).

SECTION: "A section of the tumor was preserved for microscopic examination."
Cite this page: N., Pam M.S., "SECTION," in, April 28, 2013, (accessed September 18, 2021).