11. In the brain, the hypothalamus is the body's thermostat. 12. This clearly contradicts the hypothesis that homosexual males have a female hypothalamus . 13. It is regulated by the gonadotropin-releasing hormone from the hypothalamus . 14. The neurons that control vascular vasodilation originate in the hypothalamus . 15. Neuroanatomists have often categorized the mammillary bodies as part of the hypothalamus . 16. The primary organ responsible for regulating metabolism is the hypothalamus . 17. All the other actions of the hypothalamus and pituitary glands remain unaffected. 18. In an uncredited role, Kirk Wise voiced the Hypothalamus . 19. The academic and research discipline involved in invstigating the hypothalamus is neuroendocrinology. 20. One of the most troublesome hamartomas occurs on the hypothalamus .