Cell Function
platelet aggregation
[ pleyt-lit ag-ri-gey-shuhn ]
Subclass of:
Platelet Activation; Hemorheology
Definitions related to platelet aggregation:
  • Attachment of platelets to one another; part of the mechanism leading to the formation of a thrombus.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The adhesion of one platelet to one or more other platelets via adhesion molecules.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (platelet aggregation process) Any cell adhesion process that involves the association of platelets via adhesion molecules.
    NCI
    U.S. National Cancer Institute, 2021
  • The reference range is a normal biphasic pattern of aggregation in response to specific platelet activators (see image below). .
    Medscape
    WebMD, 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.