The anterior pituitary gland produces 6 hormones, they are: Growth hormones (GH) to the bones and muscles, thyrotropic hormones (TSH) to the thyroid, prolactin (PRL) to the mammary glands, adrenocorticotropic hormones (ACTH) to the adrenal cortex, follicle-stimulating hormones (FSH) and luteinizing hormones (LH) to the testes or ovaries.