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Hormone
activin
[ ak-tuh-vin ]
Subclass of:
Gonadal Hormones; peptide hormone; Glycoproteins
Definitions related to activins:
  • Disulfide-linked homo- and heterodimeric growth factors (Activin A, Activin B, Activin AB) of the TGF Family with effects on a range of cell types in addition to promoting FSH release in gonadal sites, depending on subunit composition. Composed of Beta-A and Beta-B subunits.
    NCI
    U.S. National Cancer Institute, 2021
  • Produced in the pituitary, gonads, and other tissues; by acting locally, they stimulate pituitary FSH secretion and have diverse effects on cell differentiation and embryonic development.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Activins are produced in the pituitary, gonads, and other tissues. By acting locally, they stimulate pituitary FSH secretion and have diverse effects on cell differentiation and embryonic development. Activins are glycoproteins that are hetero- or homodimers of INHIBIN-BETA SUBUNITS.
    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.

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