A gonadal glycoprotein which acts to stimulate the synthesis and secretion of follicle-stimulating hormone by the pituitary gland, and has a number of other physiological functions.
Origin
1980s. From active + -in, after inhibin (which has the opposite biological effect).
Definition of activin in US English:
activin
nounˈaktɪvɪn
Physiology
A gonadal glycoprotein which acts to stimulate the synthesis and secretion of follicle-stimulating hormone by the pituitary gland, and has a number of other physiological functions.
Origin
1980s. From active + -in, after inhibin (which has the opposite biological effect).