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22 year old male bodybuilder, with testicular shrinkage, due to taking…
22 year old male bodybuilder, with testicular shrinkage, due to taking steroids
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The two hormones
Proteins, peptides, And modified amino acids
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Major endocrine glands
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Pituitary
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FSH
Controls development of both oocyte and ovarian follicle within ovaries; controls development of sperm within testes
LH
Induces ovulation of secondary oocyte from the ovarian follicle; controls testosterone synthesis within the testes
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Growth hormone
Release of insulin like growth factors from liver, GH and IFGs function synergistically to induce growth
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Parathyroid
PTH
Increase blood calcium levels by stimulating both release of calcium from bone tissue and decrease loss of calcium in urine
Adrenal cortex
Mineralocorticoids
Regulate blood sodium levels and potassium levels by decreasing the sodium and increasing the potassium excreted in urine
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Thymus
Thymosin, thymulin, thymopoietin
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Skin
Vitamin D3
Converted by enzymes of liver and kidney to calcitriol; functions synergistically with PTH and increase calcium absorption from small intestine
Heart
ANP
Functions primarily to decrease blood pressure by stimulations both the kidneys to increase urine output and the blood vessels to dilate
Liver
Angiotensin
Converted by enzymes released from the kidney and within the inner lining of blood vessels to angiotensin II; increases blood pressure by causing vasoconstriction and decreasing urine output; stimulates thirst center
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