Hormones

Card Set Information

Author:
DifferentlyAlive
ID:
231348
Filename:
Hormones
Updated:
2013-08-25 23:30:13
Tags:
endocrine hormones
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Description:
Main hormones for AP 169
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  1. GHRH - growth hormone releasing hormone
    - Hypothalamus -
    • Target Organ: AP
    • Causes AP to secrete GH
    • Cause of secretion: Low blood levels of GH
    • Inhibitor of secretion: GHIH
  2. GHIH - growth hormone inhibiting hormone
    - Hypothalamus -
    • Target Organ: AP
    • Inhibits AP from secreting GH
    • Cause of secretion: negative feedback from GH
  3. TRH - thyrotropin releasing hormone
    - Hypothalamus -
    • Target Organ: AP
    • Causes AP to secrete TSH - thyroid stimulating hormone
  4. CRH - corticotropin releasing hormone
    - Hypothalamus -
    • Target Organ: AP
    • Causes AP to secrete ACTH - adrenocorticotropic hormone
    • Cause of secretion: fever, hypoglycemia and other stressors.
  5. GnRH - gonadotropin releasing hormone
    - Hypothalamus -
    • Target Organ: AP
    • Causes AP to secrete FSH or LH - follicle stimulating hormone or leutinizing hormone
  6. PIH - prolactin inhibiting hormone
    - Hypothalamus -
    • Target Organ: AP
    • Inhibits AP from secreting PRL - prolactin
  7. GH - growth hormone
    - anterior pituitary -
    • Target Organ: liver, muscle, bone, cartilage, other tissues
    • Effect: anabolic hormone, stimulates somatic growth, mobilizes fats, spares glucose
    • Cause of secretion: GHRH, hypoglycemia, high levels of amino acids, low levels of fatty acids, exercise
    • Inhibitor: negative feedback by GH, hyperglycemia, hyperlipidemia, obesity, decreased GHRH
  8. TSH - thyroid stimulating hormone
    - anterior pituitary -
    • Target Organ: thyroid gland
    • Effect: thyroid gland is stimulated to release thyroid hormone
    • Cause of secretion: TRH
    • Inhibitor: negative feedback by thyroid hormones on AP and hypothalamus and by GHIH
  9. ACTH - adrenocorticotropic hormone
    - anterior pituitary -
    • Target Organ: adrenal cortex
    • Effect: promotes release of glucocorticoids and androgen
    • Cause of secretion: CRH
    • Inhibitor: negative feedback by glucocorticoids
  10. FSH - follicle stimulating hormone
    - anterior pituitary -
    • Target Organ: ovaries and testes
    • Effects: Female: stimulates ovarian follicle maturation and estrogen production. Male: sperm production
    • Cause of secretion: GnRH
    • Inhibitor: negative feedback by inhibin and Female: estrogen Male: testosterone
  11. LH - leutinizing hormone
    - anterior pituitary -
    • Target Organ: ovaries and testes
    • Effects: Female: triggers ovulation and ovarian production of estrogen and progesterone. Male: testosterone
    • Cause of secretion: GnRH
    • Inhibitor: negative feedback by Female: estrogen and progesterone. Male: testosterone
  12. PRL - prolactin 
    anterior pituitary -
    • Target Organ: breast secretory tissue
    • Effects: promotes lactation
    • Cause of secretion: decreased PIH, enhanced by estrogen, birth control pills and breast feeding
    • Inhibitor: PIH

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