Pathologic Function
ecchymosis Audio
ec·chy·mo·sis [ ek-uh-moh-sis ]
Subclass of:
Blood Coagulation Disorders; Skin Manifestations; Hemorrhage
Etymology:
Greek ek = out + chymos = juice
An old Greek term denoting the escape of blood into the skin.
Definitions related to ecchymosis:
  • A flat discoloration of the skin or a mucous membrane, larger in area than a petechia, caused by the extravasation of blood. Discolouration under the skin caused by a bleed underneath. Typically a bruise.
    U.S. FDA Glossary
    U.S. Food & Drug Administration, 2021
  • A purpuric lesion that is larger than 1 cm in diameter.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2021
  • A small bruise caused by blood leaking from broken blood vessels into the tissues of the skin or mucous membranes.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Extravasation of blood into the skin, resulting in a nonelevated, rounded or irregular, blue or purplish patch, larger than a petechia.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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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.