Hormones secreted by the hypothalamus include two major categories called releasing hormones and inhibiting hormones. The main types include the following, thyrotropin-releasing hormone, adrenocorticotropin-releasing hormone, follicle stimulating hormone-releasing hormone, luteinizing hormone-releasing hormone, growth hormone-releasing hormone, growth hormone-inhibiting hormone, lactation hormone-releasing hormone, melanocyte-stimulating hormone-inhibiting hormone, melanocyte-stimulating hormone-releasing hormone, and other ten types. Hypothalamus very small area, receive a lot of nerve impulse conduction, can be for the endocrine system and the center of the nervous system, mainly to adjust the function of the anterior lobe, including the synthesis of neuropituitary hormones, control of autonomic and vegetative functions, hypothalamus hormone secretion of neurosecretions mainly through the portal vein into the anterior lobe of the pituitary gland.