Disease or Syndrome
venous insufficiency
ve·nous in·suf·fi·cien·cy
Subclass of:
Vascular Diseases
Definitions related to venous insufficiency:
  • A condition in which there is inadequate blood flow through a vein.
    NCI
    U.S. National Cancer Institute, 2021
  • Impaired venous blood flow or venous return (venous stasis), usually caused by inadequate venous valves. Venous insufficiency often occurs in the legs, and is associated with EDEMA and sometimes with VENOUS STASIS ULCERS at the ankle.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • In venous insufficiency states, venous blood escapes from its normal antegrade path of flow and refluxes backward down the veins into an already congested leg. Venous insufficiency syndromes are most commonly caused by valvular incompetence in the low-pressure superficial venous system but may also be caused by valvular incompetence in...
    Medscape
    WebMD, 2025
Try this search on: Farlex, Merriam-Webster, Oxford Dictionary, or Wordnik

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.