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32 Cards in this Set
- Front
- Back
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where do endocrine secrete hormones to? |
directly into the bloodstream |
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endocrine glands play a role in homeostasis of what (6) |
metabolism growth fluid electrolyte balance reproductive process sleep&wake |
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the pituitary gland is called what |
master gland |
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how many lobes does the pituitary have? what are they called? |
3 anterior, posterior, intermediate |
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what is the pituitary connected to and how |
hypothalamus by a stalk |
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what is the pituitary influenced by? |
hypothalamus |
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where is the hypothalamus located? |
between the cerebrum and brain stem |
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what is the hypothalamus functions (2) |
creates pathway for neurohormones and hormone regulation |
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most hormones are secreted with what kind of feedback |
negative |
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what are the hormones of the anterior pituitary? (5) |
thyroid stimulating hormone (TSH) adrenocorticotropic hormone (ACTH) follicle stimulating hormone (FSH) luteinizing hormone (LH) growth hormone (GH) |
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what are the hormones of the posterior pituitary? (2) |
oxytocin antidiuretic hormone (ADH) |
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where is the thyroid gland located? |
in the lower neck anterior to the trachea (largest gland) |
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what joins the two lobes of the thyroid gland? |
ishmus |
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what is the primary function of the thyroid gland? how does it do this? |
control of the metabolism. concentrates iodine in food and synthesizes T3 and T4 with it |
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what is the function of T3 and T4? |
regulate metabolic rate |
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what does calcitonin do? |
inhibit release of Ca from bone into extracellular fluid |
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where is the parathyroid located? how many are there? |
embedded in lateral lobes of thyroid (usually 4) |
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what does the parathyroid secrete? |
parathormone |
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what is the function of parathormone? (2) |
maintains consistency of Ca levels in blood & body fluids also helps maintain normal excitability of nerves and muscles |
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where is the thymus gland located? what does it secrete? |
in upper part of the chest above or near the heart. thymosin and thymopoietin |
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what does the thymus gland do as you age? what does this cause? |
shrinks causes decrease in production of T lymphocytes |
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where is the pineal gland located? what does it secrete? |
attached to thalamus secreted melatonin |
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what is the function of melatonin? |
help regulate mood and sleep/wake cycles |
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where is the adrenal glands located? what are the two parts? |
located above the kidneys. the adrenal cortex and adrenal medulla |
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what does the adrenal cortex secrete? |
corticosteroids |
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name the 3 diff corticosteroids and their function |
•glucocorticoids (cortisol) - suppress inflammation, support metabolism, help body withstand stress •mineralcorticoids (aldosterone) -regulate level of electrolyte and h2o in body •gonadocorticoids (androgens)- covert to estrogen and testosterone |
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what does the adrenal medulla secrete? what are their functions? |
epinephrine and norepinephrine functions for fight or flight |
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where is pancreases located? what is special about it? |
below stomach with head of gland near duodenum it’s an endocrine and exocrine gland |
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what does the endocrine portion of pancreas secrete? what is the function of each? |
beta cells-insulin which lowers blood sugar alpha cells-glucagon which raises blood sugar delta cells-somatostatin which inhibit either beta or alpha cells to regulate blood sugar |
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where are your gonads? what do they secrete? |
ovaries and testes testosterone, estrogen, progesterone |
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what are additional hormone releasing organs? |
atria of heart kidneys skin placenta gastrointestinal structures |
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look at pages 881, 882, and 886 for those charts! |
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