2011 Hormone Control Mechanisms

2011 Hormone Control Mechanisms - Dr. Kennon M. Garrett...

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E-1 Dr. Kennon M. Garrett HORMONAL CONTROL MECHANISMS Reading: Vander et al., Human Physiology, 12 th ed. pp. 312-323. Behavioral Objectives 1. Identify the chemical class for each hormone. 2. Identify the three layers of the adrenal cortex, and know what steroid hormones are synthesized by each layer. 3. Describe how hormones are transported in the blood, know which hormones are bound to proteins and know how protein binding affects hormone action. 4. List the types of hormone receptors and identify which hormones bind to each type of receptor. I. Overview of Endocrinology A. Major Communication system B. Endocrine system is not anatomically connected C. Hormones secreted by endocrine glands and travel to target via blood D. Responses to hormones take seconds to days. E. Hormone concentrations in plasma are very low – 10 -9 M to 10 -12 M F. Hormones (Table 11-1) 1. Autonomic nervous system - epinephrine, norepinephrine 2. Cardiovascular system - atrial naturetic peptide 3. Gastrointestinal system - gastrin, secretin, cholecystokinin, motilin 4. Renal system - renin-angiotensin, aldosterone, parathyroid hormone, vitamin D, ADH
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E-2 G. Hormone secreting tissues 1. Glands Pituitary gland, thyroid gland, parathyroid gland, testes, ovaries, adrenal gland, pancreas 2. Other tissues Central nervous system – especially the hypothalamus, GI tract, liver, heart, kidneys, placenta, adipose tissue 3. Neoplasms- lung cancers commonly secrete hormones including parathyroid hormone, antidiuretic hormone and ACTH 4. Glands may secrete multiple hormones but normally a single cell in the gland will secrete a single hormone (an exception are the gonadotrophs in the anterior
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This note was uploaded on 10/01/2011 for the course PSYO 5016 taught by Professor Staff during the Fall '11 term at The University of Oklahoma.

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2011 Hormone Control Mechanisms - Dr. Kennon M. Garrett...

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