Final answer:
Luteinizing hormone (LH) is a pituitary gland hormone that stimulates the production of testosterone in males and estrogen in females. It is also known as gonadotropin-releasing hormone (GnRH) and plays a vital role in regulating the reproductive system.
Step-by-step explanation:
Luteinizing hormone (LH) is a pituitary gland hormone that stimulates the testes to secrete testosterone and the ovaries to secrete estrogen. LH is also known as gonadotropin-releasing hormone (GnRH) and is responsible for regulating the reproductive system in both males and females. In males, LH stimulates the production of testosterone, while in females, it stimulates the production of estrogen and progesterone.