Post on 30-Dec-2015
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Hormone: A molecule produced in one organ that is secreted into the blood, and has a physiological effect on specific target cells in a different organ
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Figure 13.4 A negative feedback loop involving a hormone.
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Figure 13.1 Components of the human endocrine system. (1 of 2)
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Figure 13.1 Components of the human endocrine system. (1 of 2)
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Figure 13.2 Mechanism of steroid hormone action on a target cell.
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Figure 13.3 Mechanism of nonsteroid hormone action on a target cell.
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Steroid Hormones
• cortisol, cortisone
• aldosterone
• testosterone
• estrogen
• progesterone
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Table 13.2 Hormones of the endocrine glands other than the hypothalamus and pituitary (1 of 2)
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Figure 13.11 Secretion of norepinephrine and epinephrine by the adrenal medulla.
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Endocrine glands that are composed of nerve cells
• Posterior pituitary
• Adrenal medulla
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Table 13.2 Hormones of the endocrine glands other than the hypothalamus and pituitary (2 of 2)
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Figure 13.12 The thyroid and parathyroid glands.
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Figure 13.14 A goiter caused by dietary iodine deficiency.
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Table 13.1 Hormones of the pituitary gland
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Figure 13.8 Effect of growth hormone on body growth.
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Figure 13.5 Posterior pituitary lobe and hypothalamus. (2 of 2)
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Figure 13.7 The relationship between the hypothalamus and the anterior pituitary gland.
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Thyroid follicle
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Thyroid follicle
Colloid Follicular epithelium
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Acini Pancreatic islets
Duct
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Acini Ducts Pancreatic islets
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Posterior pituitary
Anterior pituitary
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Adrenal capsule
Adrenal cortex
Adrenal medulla
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Table 13.4 Other chemical messengers
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Table 13.3 Hormones of the digestive tract, kidneys, and heart (DON’T NEED TO KNOW DETAILS)