Hormones of the Thyroid and Parathyroid Glands

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HORMONE: T3 (triodothyronine)

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TARGET TISSUE: most cells of the body

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HORMONES: T3 (triodothyronine) and T4 (tetraiodothyronine)

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RESPONSE: increased metabolic rate; essential for normal growth and maturation

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HORMONE: T4 (tetraiodothyronine)

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TARGET TISSUE: most cells of the body

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HORMONE: calcitonin

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TARGET TISSUE: bone

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HORMONE: calcitonin

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RESPONSE: prevention of a large increase in blood calcium (Ca2+) levels

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HORMONE: PTH (Parathyroid hormone)

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TARGET TISSUE: bone, kidneys, small intestine

Front

HORMONE: PTH (Parathyroid hormone)

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RESPONSE: increased blood calcium (Ca2+) levels