has role hormone chemical hormone somatomedin MeSH:D013002 Somatomedin is a group of hormones that is produced, when stimulated by somatotropin (STH), to promote cell growth and division. In this way, they mediate the effect of somatotropin (also known as growth hormone). They have similar biological effects to somatotropin. Three forms include: * somatomedin A, which is another name for insulin-like growth factor 2 * somatomedin B, which is derived from vitronectin * somatomedin C, which is another name for insulin-like growth factor 1