Exam 5/4

• Hormone organs

  Hypothalamus, pancreas, ovaries and testies
• Mineralocorticoid


  Found in zona glomerulosa, regulate electrolytes and water, with aldosterone being the most important mineralocorticoid
• PTH mechanisms

  1. Helps regulate calcium levels in the blood

  2. Stimulates osteoclasts to digest bone matrix

  3. Enhances the reabsorption of Ca2+ in the intestines and the secretion (discharge) of phosphate by the kidneys

  4. Rising Ca2+ in the blood inhibits PTH release

  5. Has a humoral stimulus
• Gluconeogenesis


  The formation of glucose from lactic acid and noncarbohydrates, primarily occurring in the liver, promoted by hormones such as glucagon and cortisol
• Hypothalamic-hypophyseal tract

  A neural connection between the hypothalamus and the posterior pituitary gland, allows for the transport of oxytocin and antidiuretic hormone (ADH) from the hypothalamus to the posterior pituitary