(redirected from Activin B)
Also found in: Medical.


 (ăk′tə-vĭn, ăk-tĭv′ĭn)
A polypeptide growth factor that is synthesized in the pituitary gland and the gonads and stimulates the secretion of follicle-stimulating hormone.

[activ(ate) + (inhib)in (from its activating follicle-stimulating hormone).]
References in periodicals archive ?
Activin A was preferred over activin B, and inhibin binding to these receptors was reduced 10-fold compared with activin (del Re et al.
The activin A assay does not cross-react with inhibin A, inhibin B, follistatin, or activin B.