Important Hormones and their Functions: Endocrine Glands Hormone Function Pituitary (The master gland) Growth Hormone Regulates tissue and bone growth. ACTH (Adreno-Corticotrophic Hormone) Controls structure and functioning of the adrenal cortex, especially secretions of gluco-corticoids and sex-corticoids. FSH (Follicle Stimulating Hormone) or Gametokinetic Factor Stimulates spermatogenesis in testes of male, maturation of Graafian or ovarian