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Unit O: Urinary System - Mitchell High School

Unit O: Urinary System - Mitchell High School

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Control of <strong>Urinary</strong> Secretion<br />

Chemical Control<br />

• Reabsorption of H20 in distal convoluted tubule<br />

controlled by ADH (antidiuretic hormone)<br />

• Secretion and regulation of ADH controlled by<br />

hypothalamus<br />

• DIURETICS inhibit reabsorption of H20<br />

Nervous Control<br />

• Direct control through nerve impulses on kidney<br />

blood vessels<br />

• Indirect control though stimulation of endocrine<br />

glands<br />

Summer 2005 O.28

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