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16 Cards in this Set
- Front
- Back
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endocrine system
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a collection of specialized cells, tissues, and glands that produce chemical messenger molecules called hormones
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Functions of Hormones
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regulate body functions (maintain homeostasis)
produce specific effects |
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Hypothalamus
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control center for homeostasis
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function of hypothalamus
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receives input from nervous system pertains to water balance, temperature, carbohydrate metabolism
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Pituitary Gland
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master gland
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functions of pituitary gland
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secretes 8 hormones that regulate other endocrine glands, consists of 2 lobes (posterior and anterior)
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Posterior pituitary gland
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releases antidiuretic hormone (ADH) and Oxytocin (uterine contractions and milk ejection)
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Anterior Pituitary Gland
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produces 6 hormones - ACTH, TSH, FSH, LH, PRL, GH
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Pancreas
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An endocrine and exocrine gland; clusters of cells
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Hormones produced by the Pancreas
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insulin-lowers blood sugar, glucagon- raises blood sugar
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Adrenal Glands
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outer cortex produces small amounts of sex hormones and steroid hormones (incl. cortisol and aldosterone); inner medulla produces nonsteroid hormones (epinephrine and norepinephrine)
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cortisol
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helps maintain blood glucose levels, suppresses inflammatory responses after infection
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aldosterone
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regulates amounts of sodium and potassium, helps maintain water balance
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Epinephrine and Norepinephrine
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contribute to fight or flight response of sympathetic nervous system
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Thyroid Gland
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below larynx; regulates calcium balance, cntrls metabolism, produces calcitonin and thyroxine
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Parathyroid Gland
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back of thyroid; regulates calcium balance, produces parathyroid hormone
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