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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. Figure 13.4 A negative feedback loop involving a hormone. Figure 13.1 Components of the human endocrine system. (1 of 2).
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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
Figure 13.1 Components of the human endocrine system. (1 of 2)
Figure 13.1 Components of the human endocrine system. (1 of 2)
Figure 13.2 Mechanism of steroid hormone action on a target cell.
Figure 13.3 Mechanism of nonsteroid hormone action on a target cell.
Steroid Hormones • cortisol, cortisone • aldosterone • testosterone • estrogen • progesterone
Table 13.2 Hormones of the endocrine glands other than the hypothalamus and pituitary (1 of 2)
Figure 13.11 Secretion of norepinephrine and epinephrine by the adrenal medulla.
Endocrine glands that are composed of nerve cells • Posterior pituitary • Adrenal medulla
Table 13.2 Hormones of the endocrine glands other than the hypothalamus and pituitary (2 of 2)
Figure 13.5 Posterior pituitary lobe and hypothalamus. (2 of 2)
Figure 13.7 The relationship between the hypothalamus and the anterior pituitary gland.
Colloid Thyroid follicle Follicular epithelium
Acini Pancreatic islets Duct
Ducts Pancreatic islets Acini
Posterior pituitary Anterior pituitary
Adrenal capsule Adrenal cortex Adrenal medulla
Table 13.3 Hormones of the digestive tract, kidneys, and heart (DON’T NEED TO KNOW DETAILS)