Hormones

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Author:
Anonymous
ID:
41656
Filename:
Hormones
Updated:
2010-10-12 13:14:02
Tags:
hormones physology
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Description:
All of the primary endocrine sys
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  1. Releasing and Inhibiting hormones
    Located in hypothalamus. Reg secretion of pituitary hormones
  2. Growth Hormone
    Located in anterior pituitary gland. Essential for growth, stimulates bone and soft tissue growth, reg protein, lipid & carbohydrate metabolism
  3. Adrenocorticotropic hormone (ACTH)
    Located in anterior pituitary gland. Stimulates glucocorticoid secretion by adrenal cortex.
  4. Thyroid Stimulating Hormone (TSH)
    Anterior pituitary gland. Stimulates secretion of thyroid hormones by thyroid gland.
  5. Prolactin
    Anterior pituitary gland. Stimulates dev of breasts and milk secretion in females
  6. Follicle stimulating hormone (FSH)
    • Females: stim growth/dev of of ovarian follicles, estrogen secretion
    • Males: stim testosterone secretion

    Anterior Pituitary Gland
  7. Luteneinizing Hormone (LH)
    • Females: stimulates ovulation, trans of overian follicle into corpus leteum and secretion of estrogen and progesterone.
    • males: stimulates testosterone secretion
    • Anterior pituitary gland
  8. Antidiuretic hormone (ADH/vassopressin)
    • Posterior pituitary gland.
    • Decreases urine output by kidneys, promotes constriction of blood vessels.
  9. Oxytocin
    • Posterior pituitary gland.
    • Females: stim uterine contractions and milk ej
    • Males: func unknown
  10. Melatonin
    Pineal gland. Reg biological day/night cycles.
  11. Thymosin
    Thymus. Stim proliferation (growth/dev) and func of T lymphocytes.
  12. Thyroid Hormones (triiodothyronine and tetraiodothyronine)
    Thyroid gland. Increase basal metabolic rate.
  13. Calcitonin
    Thyroid gland. Promotes calcium deposition in bone. Lowers blood calcium lvls
  14. Parathyroid hormone (PTH)
    • Promotes calcium release from bone, calcium absorption by intestine, and calcium reabsorption by kidney tubules. Raises blood calcium lvls. Stim vit d3 synthesis.
    • Parathyroid gland.
  15. Mineralcorticoids (aldosterone)
    • Stim sodium reabsorption and potassium secretion by kidney tubules
    • Adrenal cortex
  16. Glucocorticoids (cortisol, corticosterone)
    • promote catabolism of proteins/fats; raise blood glucose, adapt body to stress.
    • Adrenal cortex.
  17. Androgens
    Adrenal cortex. promote sex drive
  18. Epinephrine
    Adrenal Medulla. Stim fight or flight
  19. Insulin
    Pancreas. Lowers blood glucose lvls, stores NRG by promoting protein, lipid, glycogen synthesis
  20. Glucagon
    Pancreas. Raises blood glucose lvls. mobilizes NRG by promoting glycogenolysis, gluconeogenesis
  21. Somatostatin
    Pancreas. Inhibits secretion of pancreatic hormones, reg dig and absorp of nutrients of GI system
  22. Andgrogens (testosterone, androstenedione)
    Testes. Sperm prod. Sex drive. Secondary sex char.
  23. Estrogens (estradiol)
    Necessary for follicular dev, secondary sex char. Ovaries
  24. Progestins (progesterone)
    Promote endometrial growth to prepare uterus for pregnancy. Ovaries
  25. Chorionic gonandotrophin, estrogens & progesterone
    Placenta (during preg). Maintain corpus luteum, reinforce action of hormones secreted by corpus luteum.

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