HaneyEndocrine1
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Endocrine glands secrete what into the blood? | chemicals (hormones)
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What general functions do hormones perform? | communication and control
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cells acted on by hormones are called? | target cells
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organs containing target | target organs
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nonsteroid hormones | first messengers
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Hormone secretion is controlled by? | homeostatic feedback
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negative feedback | mechanisms that reverse the direction of a change in a physiological system
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positive feedback | (uncommon) mechanisms that amplify physiological changes
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Prostaglandins | are powerful substances found in a wide variety of body tissue
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TSH | stimulates growth of the thyroid gland
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ACTH | Stimulates growth of the adrenal cortex and stimulates it to secrete glococortioids
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FSH | initiates growth of ovarian follicles each month in the ovary and stimulates one or more follicles to develop to the stage of maturity and ovulation
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LH | acts with FSH to stimulate estrogen secretion and follicle growth to maturity
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GH | Stimulate growth by accelerating protein anabolism
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PRL or lactogenic hormone | Stimulates breast development during pregnancy and secretion of milk after the delivery of the baby
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ADH | accelerates water reabsorption from urine in the kidney tubules into the blood thereby decreasing urine secretion
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Oxytocin (OT) | stimulates the pregnant uterus to contract
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What secrets Glucagon | alpha cells
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What secrets Insulin | beta cells
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Anterior pituitary gland | Adenohypophysis
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Posterior pituitary gland | neurophypophysis
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Where is the thymus located | mediastinum
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example of positive feedback | labor
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