Disease or Syndrome
lacunar stroke
la·cu·nar stroke
Subclass of:
Cerebral Small Vessel Diseases; Thrombotic Stroke; Brain Infarction
Definitions related to stroke, lacunar:
  • (lacunar stroke) A small ischemic stroke caused by the blockage of one of the smaller blood vessels in the brain; the most common effect is weakness or disability on one side of the body.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • (lacunar stroke) A stroke related to a small infarct (2-20 mm in diameter) in the deep cerebral white matter, basal ganglia, or pons, that is presumed to result from the occlusion of a single small perforating artery supplying the subcortical areas of the brain.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Stroke caused by lacunar infarction or other small vessel diseases of the brain. It features hemiparesis (see PARESIS), hemisensory, or hemisensory motor loss.
    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.