hypothalamus

• hypothalamic hormones regulate the synthesis and secretion of

  pituitary hormones
• hormone that inhibits the secretion of the growth hormone

  somatostatin
• hormones originating in the hypothalamic neurons, pass through axons and are released from their nerve endings
• the hypothalamic hormones reach the pituitary through a portal circulatory system and regulate functions of the anterior pituitary
• the part of pituitary under direct neural regulation of the hypothalamus

  posterior pituitary