21. Testosterone is required for normal spermatogenesis and inhibits the hypothalamus . 22. MCH expressing neurons are located within the lateral hypothalamus and zona incerta. 23. Afferents distribute to the posterior nucleus and periventricular nuclei of the hypothalamus . 24. Kisspeptins also trigger the release of GnRH / LH from the hypothalamus by 25. Antipyretics block fever by opposing prostaglandin action in the hypothalamus . 26. An autopsy showed a tumor pressing on his hypothalamus . 27. As the blood insulin level rose, the hypothalamus slowed in lean subjects. 28. The forebrain also includes the thalamus and the hypothalamus . 29. Antipyretics cause the hypothalamus to override a prostaglandin-induced increase in temperature. 30. The regulation of urine production occurs in the hypothalamus , which produces cortex.