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Anti Diuretic Hormone and its role in the control of H20 in the body in relation to osmoreceptors.  

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University of Hertfordshire Department of Allied Health Professionals - Paramedic Science, Faculty of Health & Human Sciences. Pathophysiology for Paramedics Module Code 2ANN0003 Semester B 2004 Laboratory Report Anti Diuretic Hormone and its role in the control of H20 in the body in relation to osmoreceptors. Submission date 25 May 2004 1. Introduction Roughly 60% of the mass of the body is water, and despite wide variation in the amount of water taken in each day, body water content remains incredibly stable. Such precise control of body water and solute concentrations is a function of several hormones acting on both the kidneys and vascular system, but there is no doubt that antidiuretic hormone is a key player in this process. Antidiuretic hormone, also known as vasopressin, is a nine amino acid peptide secreted from the posterior pituitary. Within hypothalamic neurons, the hormone is packaged in secretory vesicles with a carrier protein called neurophysin, and both are...

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