In B lymphocytes (B cells) it stimulates antibody class switching, and in Natural Killer (NK) cells this protein hormone stimulates maturation.

It stimulates maturation of a girl's body at puberty.

It regulates embryogenesis, maintains the status quo of larva development and stimulates reproductive maturation in the adult forms.

The fusion stimulates maturation.

The treatment was complete bed rest in the hospital, plus a host of drugs to try to halt the contractions and, at the same time, stimulate maturation of the babies' lungs in case they arrived 10 weeks early.

From Hong's comments, it seemed to Jason that Hayes had probably been isolating some kind of growth factor which would stimulate growth, or differentiation, or maturation, or all three.