HAN 202 Lecture Notes - Lecture 16: Hypophyseal Portal System, Anterior Pituitary, Cerebellum
6 Aug 2018
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Endocrine system: communication system, slower but longer lasting than ns, acts with. Ns to coordinate and integrate activity of body cells, controls ongoing metabolic processes via hormones through blood. 1. classes of hormones: amino acid-based (h2o based, binds to receptors on cell membrane, secondary messengers, steroids (lipid based, enters cell directly. 3. interaction of hormones: permissiveness one hormone needs another hormone, ex. 4. control of hormone release: blood levels of hormones are controlled by negative feedback systems, vary only with a narrow desirable range, humoral, changing blood levels of ions and nutrients directly stimulates secretion of hormones, ex. Calcium in blood: declining blood ca concentration stimulates the parathyroid glands to secrete pth. 4: causes appearance of male secondary sexual characteristics, necessary for sperm production. The patient may be suffering from __________: hypothyroidism, cretinism, hyperthyroidism, hypersecretion of calcitonin, which hormone is produced in the hypothalamus, adh (anti-diuretic hormone, acth (adrenocorticotropic hormone, lh (luteinizing hormone, gh (growth hormone)
