👉 In biology, a holagogue is a type of hormone that plays a role in regulating the growth and development of cells. These hormones are produced by specialized cells called holocytes or "holagogues" that are found in the body's blood vessels, lymphatic system, and other organs. The main function of these hormones is to promote cell growth and proliferation, which leads to tissue formation and repair. For example, the hormone insulin helps regulate glucose levels in the bloodstream by promoting the uptake of glucose
