from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A polypeptide growth factor that is synthesized in the pituitary gland and the gonads and stimulates the secretion of follicle stimulating hormone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A peptide that participates in the regulation of the menstrual cycle, cell proliferation, apoptosis, metabolism, and many other diverse functions.
activ(ate) + (inhib)in (from its activating follicle stimulating hormone).(American Heritage® Dictionary of the English Language, Fourth Edition)