BIOL 207 Chapter Notes - Chapter 16: Secondary Sex Characteristic, Adrenal Medulla, Nephron
23 Dec 2016
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Mineralocorticoids (including aldosterone ): the mineral salt regulate. K+). aldosterone is the most potent and abundant mineralocorticoid, primarily responsible for stimulating the kidney tubules to reabsorb sodium ions and return them to blood stream. (electrolyte) concentrations in extracellular fluids (esp. Sodium uptake by the kidneys also increases the body"s water retention and elevates blood volume and blood pressure. Help the body resist stressors and regulate metabolism of most body cells. Times of stress, is responsible for the formation of glucose from fats, amino acids & proteins (process of gluconeogenesis). Glucocorticoids maintain normal blood volume and sugar levels. Produced in minuscule amounts by the adrenal gland. Cortical sex hormones are mostly male sex hormones, with smaller amounts of female sex hormones. These hormones regulate: appearance of secondary sexual characteristics the maturation of the reproductive organs. Under the control of the sympathetic division of the ans (autonomic nervous system), the adrenal medulla :
