ˌ ̷ ̷ ̷ ̷ ̷ ̷ ˌ ̷ ̷ - noun
: either of two polypeptides structurally similar to insulin that are secreted either during fetal development or during childhood and that mediate growth hormone activity ; especially : insulin-like growth factor 1
ˌ ̷ ̷ ̷ ̷ ̷ ̷ ˌ ̷ ̷ - noun
: either of two polypeptides structurally similar to insulin that are secreted either during fetal development or during childhood and that mediate growth hormone activity ; especially : insulin-like growth factor 1
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012