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Chapter 11
Endocrine System
20
Science
Not Applicable
10/11/2011

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Term
Types of Glands
Definition
Pituitary, thyroid, parathyroid, adrenal, pineal, thymus, pancreas, and reproductive.
Term
Pituitary Gland
Definition
Secretes growth hormone (GH), prolactin (PRL), thyroid-stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), follicle-stimulating hormone (FSH), luteinizing hormone (LH), antidiuretic hormone (ADH), and oxytocin.
Term
Growth Hormone
Definition
Stimulates most cells to increase in size and divide more frequently, targets bone and skeletal muscles. Promotes protein synthesis and encourages using fats for fuel.
Term
Prolactin
Definition
Stimulates and sustains a woman's milk production. May help maintain normal sperm production, but no normal role has been seen in males.
Term
Thyroid-Stimulating Hormone
Definition
Controls thyroid gland secreations.
Term
Adrenocorticotropic Hormone
Definition
Controls the manufacture and secretion of certain hormones from the cortex (outer layer) of the adrenal gland.
Term
Follicle-Stimulating Hormone and Luteinizing Hormone
Definition
Regulate the function of ovaries and testes, stimulate egg and sperm production, released during and after puberty.
Term
Antidiuretic Hormone
Definition
Regulates water balance between dehydration and water overload. Prevents urine formation.
Term
Oxytocin
Definition
Stimulates smooth muscle contraction in breasts and uterus.
Term
Thyroid Gland
Definition
Secretes thyroxine triiodothyronine, and calcitonin. Largest endocrine gland.
Term
Thyroxine and Triiodothyronine
Definition
Triiodothyronin is 5x as potent as thyroxine. Regulate the metabolism of carbohydrates, lipids, and proteins.
Term
Calcitonoin
Definition
Regulates the concentrations of blood calcium and phosphate ions.
Term
Parathyroid Gland
Definition
Secretes the parathyroid hormone.
Term
Parathyroid Hormone
Definition
Increases blood calcium concentration and decreases blood phosphate ion concentration. Affects the bones, kidneys, and intestine.
Term
Adrenal Gland
Definition
Secretes epinephrine, norepinephrine, aldosterone, cortisol, and sex hormones.
Term
Epinephrine and Norepinephrine
Definition
Increase heart rate, the force of cardiac muscle contraction, breathing rate, and blood glucose level. Also elevate blood pressure and decrease digestive activity.
Term
Aldosterone
Definition
Causes the kidney to concerve sodium ions and excrete potassium ions.
Term
Cortisol
Definition
Affects glucose metabolism and influences protein and fat metabolism.
Term
Gonadocorticoids
Definition
Most are androgens which set off puberty, secondary sex characteristics, and sex drive. Can convert to estrogen.
Term
Pineal Gland p. 309
Definition
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