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Understanding the Effects of Anti-diuretic hormone

Understanding the Effects of Anti-diuretic hormone. Hypothalamus. Integrates activities of nervous and endocrine systems in 3 ways: Secretes regulatory hormones : special hormones control endocrine cells in pituitary gland. Hypothalamus. Acts as an endocrine organ

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Understanding the Effects of Anti-diuretic hormone

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  1. Understanding the Effects of Anti-diuretic hormone

  2. Hypothalamus

  3. Integrates activities of nervous and endocrine systems in 3 ways: Secretes regulatory hormones: special hormones control endocrine cells in pituitary gland Hypothalamus

  4. Acts as an endocrine organ Contains autonomic centers: exert direct neural control over endocrine cells of adrenal medullae Hypothalamus

  5. What hormones are produced by the posterior lobe, and what are their functions?

  6. Posterior Lobe • Also called neurohypophysis • Contains unmyelinated axons of hypothalamic neurons • Supraoptic and paraventricular nuclei manufacture: • antidiuretic hormone (ADH) • oxytocin (OT)

  7. Antidiuretic Hormone • Decreases amount of water lost at kidneys • Elevates blood pressure • Release inhibited by alcohol

  8. Produce Increased ADH Secretion Inc. serum osmolarity Volume contraction Pain Nausea (powerful stimulant) Hypoglycemia Nicotine, opiates, antineoplastic drugs Produce Decreased ADH Secretion Dec. serum osmolarity Ethanol Alpha agonist ANF Regulation of ADH Secretion

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