Dictionary > Ghrelin

Ghrelin


Reviewed by: Mary Anne Clark, PhD


Ghrelin is a small (28 amino acids) peptide hormone produced mostly by the stomach. It has been called the “hunger hormone” because it stimulates appetite, and is released during fasting. However it also contributes to bone and muscle formation by activating the growth hormone somatotropin and also by directly promoting the fusion of myoblasts and the proliferation of osteoblasts.


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