ANAT 101 Lecture Notes - Angiotensin, Land Of Oz, Polyuria
1 Feb 2014
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Document Summary
Effects of thyroid hormones: activate nearly every cell in body, increase rate of atp production in mitochondria. Calorigenic effect: cells uses more energy (measured in calories) and heat is produced. C cells of thyroid gland (aka parafollicular cells: found between follicles, produce calcitonin (ct) Essential for normal bone growth in children and last trimester of pregnancy. Less responsive muscles and nerves: hypocalcemia causes: Parathyroid glands: chief cells produce parathyroid hormone (pth) Stimulates kidney to secret calcitriol (increases calcium absorption in digestive tract) Adrenal cortex: contains high levels of cholesterol and fatty acids, produces more than 24 steroid hormones called coricosteroids. Lecture #31 - endocrine system ii: mineralocorticoids - zona glomerulosa, glucocorticoids - zona fasciculata, androgens - zona reticularis, mineralocorticoids (mcs, produced by outer zone (zona glomerulosa, affect electrolyte balance in body fluids, aldosterone - major mc. Secreted in response to low plasma na+, low bp, high plasma k+, or presence of angiotensin ii.
