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9 Cards in this Set
- Front
- Back
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what is the largest purely endocrine gland in the body?
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thyroid gland
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parafollicular cells of the thyroid gland produce ...
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calcitonin
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... accounts for about 90% of all thyroid hormones
... is 10x more active, but less common |
T4 (thyroxine – tetraiodothyronine)
T3 (triiodothyronine) |
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Release of TRH is stimulated by what 3 things?
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cold, pregnancy, low thyroxine
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... and ... – affect metabolic rate of every cell in the body except brain, spleen, testes, uterus and thyroid gland. Increases synthesis of enzymes involved in cellular respiration --> increased ... (byproduct: increased heat production)
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T3 and T4
BMR |
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parathyroid glands:
... cells (functional cell, basophilic) secrete parathyroid hormone (PTH; protein). ... cells (acidophilic) are only located in the parathyroid glands. |
chief
oxyphyil |
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Adrenal cortex: Zona fasciculata
Disorders: Addison’s disease –... of glucocorticoids and mineral corticoids Cushing’s disease –... of glucocorticoids. |
hyposecretion
hypersecretion |
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adrenal medula actions:
... (more potent) - increases HR (beta receptors), bronchodilation (in lungs), increased blood glucose (breakdown of glycogen in liver and skeletal muscle, and breakdown of adipose tissue) ... - peripheral vasoconstriction --> increased BP |
epinephrine
NE |
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Pancreas:
has both ... (acini secrete digestive enzymes) and ... function (islets of Langerhans) control: responds to blood ... levels (humoral) hormones are ... (proteins) |
exocrine
endocrine glucose polypeptides |
