Chap 43 notes

Chap 43 notes - Chapter 43 Endocrine Disorders 2 *...

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Chapter 43 Endocrine Disorders 2 * Hyposecretion: * Abnormally low levels of GH in childhood – pituitary dwarfism * Treatment: Injections of GH before long bones ossify * Hypersecretion: * Abnormally high levels of GH in childhood – gigantism * In adulthood – no effect on height, but connective tissue thickens, finger, feet bones increase in girth - acromegaly Table 48-2 Learning Objective 8 * How do the hypothalamus and pituitary gland integrate regulatory functions? * Describe the actions of the hypothalamic and pituitary hormones Posterior Pituitary Hormones, Regulation (Fig 48-8) Anterior Pituitary Regulation * Releasing hormones and inhibiting hormones secreted by the hypothalamus * Regulate hormone output of anterior lobe of pituitary gland * Acts as a traditional endocrine organ * Stimulation or inhibition by hypothalamic hormones leads to AP hormone secretion * End organ reaction Anterior Pituitary Hormones (Fig 48-9) * Melanocyte-stimulating hormones (MSH) * also secreted by some neurons in the hypothalamus
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Chap 43 notes - Chapter 43 Endocrine Disorders 2 *...

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