CAS BI 315 Lecture Notes - Lecture 11: Iodine-131, Thyrotropin Receptor, Hypothyroidism
19 Aug 2016
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Growth hormone: metabolic and anabolic (growth) hormone: acromegaly: caused by excess growth hormone, characterized by high blood fats, high blood sugar, enlarged bones. Gh could maintain muscle mass in an elderly person, but the side effects and other conditions complicate use. Functions of thyroid hormone: calorgenic: stimulates heat, development (embryonic and early, cardiovascular: t3 and t4 upregulate b-receptors, which makes the person feel very high strung. Hyperthyroidism: increased signs of sympathetic ns activity, increased hr, increased bp, increased sensation of warmth, heat-intolerance , decreased weight: eating more but th keeps weight down. Hypothyroidism: sluggishness, increased weight, decreased appetite. Graves" disease: autoimmune response on tsh receptor in the membrane of the follicular cell antibody attaches and binds instead of attacking antibodies never leave. The type of hyperthyroidism enlargement of thyroid is called goiter. Psa: hcg (human gonadotropin) normally stimulates the ovaries to make a hormone.
