Pathologic Function
stenosis Audio
ste·no·sis [ sti-noh-sis ]
Subclass of:
Pathological Conditions, Anatomical
Etymology:
Greek stenos = narrow + -osis = condition
Definitions related to stenosis:
  • An abnormal narrowing of a passageway, such as a blood vessel, or other type of opening in the body.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Narrowing of the luminal diameter in a tubular organ or structure.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • Narrowing or stricture of a vessel, duct or canal.
    NCI
    U.S. National Cancer Institute, 2021
  • (constriction, pathologic) The condition of an anatomical structure's being constricted beyond normal dimensions.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.