Hormone - Function

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Hormone - Function
2010-12-07 22:15:59
Hormone Function

Hormone - Function
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  1. atrial naturietic peptide (ANP)
    controls BP in the kidneys
  2. gastrin
    • controls stomach emptying
    • produces gastric juice
  3. cholesystokinin (CCK)
    releases bile and pancreatic juice
  4. secretin and gastic inhibitory peptide (GIP)
    slows down stomach emptying
  5. erythropoietin
    produces RBCs
  6. calcitrol
    regulates calcium levels
  7. testosterone
    • produces sperm
    • controls sex drive
    • develops secondary sex characteristics
  8. estrogen
    • develops secondary sex characteristics
    • regulates ovulation and menstruation
    • maintains pregnancy
  9. progesterone
    prepares uterus for implantation of ovum
  10. relaxin
    relaxes symphysis pubis before delivery
  11. inhibin
    slows production of FSH
  12. human chorionic gonadotropin (hCG)
    indicates pregnancy
  13. human chorionic somatomammotropin (hCS)
    gives sugar to the fetus
  14. growth hormone releasing hormone (GHRH)
    releases growth hormone
  15. prolactin releasing hormone (PRH)
    releases prolactin
  16. gonadotropin releasing hormone (GnRH)
    releases follicle stimulating hormone and luteinizing hormone (gonadotropins)
  17. thyrotropin releasing hormone (TRH)
    releases thyroid stimulating hormone
  18. corticotropin releasing hormone (CRH)
    releases adrenocorticotropic hormone and melanocyte stimulating hormone
  19. growth hormone inhibiting hormone (GHIH)
    inhibits growth hormone
  20. dopamine
    inhibits prolactin and melanocyte stimulating hormone
  21. melatonin
    • alters reproductive activities
    • seasonal affective disorder and jet lag
    • production inhibited by exposure to sunlight
  22. human growth hormone (hGH)
    • aka somatotropin
    • increases blood glucose by inhibiting glucose catabolism and stimulating fat catabolism
    • stimulates protein synthesis and inhibits protein catabolism
    • stimulates growth of muscles, bones, tissues
  23. thyroid stimulating hormone (TSH)
    releases thyroid hormones
  24. adrenocorticotropic hormone (ACTH)
    releases adrenal cortex hormones
  25. follicle stimulating hormones (FSH)
    • stimulates sperm production
    • stimulates follicular development and estrogen production in ovaries
  26. luteinizing hormone (LH)
    • stimulates secretion of testosterone
    • stimulates estrogen production and ovulation
    • stimulates secretion of progesterone by corpus luteum
  27. prolactin
    stimulates milk production by the mammary glands
  28. melanocyte stimulating hormone (MSH)
    • stimulates melanin production
    • inhibited by dopamine
  29. oxytocin
    stimulation uterine contraction and milk ejection
  30. antidiuretic hormone (ADH)
    • causes reabsorption of water from renal tubules (increases BP, decreases urine output)
    • constricts arterioles (increases BP)
  31. triiodothyronine (T3) and thyroxine (T4)
    increase metabolic rate, cardiac output, growth
  32. calcitonin
    • decreases calcium ion levels in the blood
    • accelerates calcium reabsorption in bones (inhibits osteoclasts)
  33. parathyroid hormone (PTH)
    • produced by principal cells
    • increases blood calcium levels (increases osteoclast activity)
    • increases calcium reabsorption in the kidneys
    • decreases blood phosphate levels
  34. glucagon
    • secreted by alpha cells
    • increases blood glucose levels
  35. insulin
    • secreted by beta cells
    • decreases blood glucose levels
  36. growth hormone inhibiting hormone (GHIH)
    • secreted by delta cells
    • inhibits insulin, glucagon, hGH
  37. pancreatic polypeptide
    • secreted by F cells
    • regulates release of pancreatic enzymes
    • allows absorption in small intesting
  38. thymosin
    thymic humoral factor
    thymic factor
    control T cell maturation and selection
  39. mineralcorticoids
    control water and electrolyte balance
  40. aldosterone
    • mineralcorticoid
    • increases Na+ and water reabsorption in kidnye
    • increases K+ in kidney
  41. glucocorticoids
    regulate metabolism and response to stress
  42. cortisol
    • glucocorticoid
    • increases nutrient levels in blood
    • reduces stress
    • reduces inflammation
  43. gonadocorticoids
    • androgens and estrogens
    • post-menopause
  44. norepinephrine
    mimic sympathetic nervous system effects