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• Hypothalamus


  Synthesizes and secretes certain neurohormones, called releasing hormones or hypothalamic hormones, which stimulate or inhibit the secretion of hormones from the pituitary gland
• Hypothalamus


  • Controls body temperature
  • Hunger
  • Important aspects of parenting and maternal attachment behaviors
  • Thirst
  • Fatigue
  • Sleep
  • Circadian rhythms
  • Important in certain social behaviors, such as sexual and aggressive behaviors
• Pituitary gland


  Located at the base of the brain, composed of two parts - the anterior and posterior pituitary glands, controls the hormonal secretions of numerous endocrine glands
• Growth Hormone (GH)


  Stimulates growth, cell reproduction, and cell regeneration, stimulates production of Insulin-like growth factor 1 (IGF-1), increases the concentration of glucose and free fatty acids
• Prolactin (PRL)


  Stimulates the mammary glands to produce milk (lactation)
• Thyroid-stimulating hormone (TSH)


  Stimulates the thyroid gland to produce thyroxine (T4), and then triiodothyronine (T3) which stimulates the metabolism of almost every tissue in the body
• Adrenocorticotropic hormone (ACTH)


  Stimulates secretion of glucocorticoid steroid hormones from adrenal cortex cells
• Gonadotropic hormones


  Regulate hormonal activity of the gonads