ghrelin編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看ghrelinghrelin — 名詞名詞1. a hormone that stimulates appetite, produced in the stomach1.名詞釋義飢餓素a hormone that stimulates appetite, produced in the stomach例句Ghrelin levels rise before meals and fall after eating.