13150758-Review-Endocrine-Disorders-FINAL

13150758-Review-Endocrine-Disorders-FINAL - ENDOCRINE...

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ENDOCRINE SYSTEM By: MISS SHENELL A. DELFIN, RN
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FUNCTION: Endocrine system consist of a series of glands that function individually or conjointly to integrate and control innumerable metabolic activities in the body. These glands automatically regulate various body processes by releasing chemical signals called hormones.
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FUNCTION: Maintenance and regulation of vital functions. Response to stress or injury Growth and development Reproduction Fluids and electrolytes Acid base-balance Energy metabolism
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ENDOCRINE GLANDS ENDOCRINE GLAND HORMONES FUNCTIONS PITUITARY ANTERIOR TSH Thyroid to release hormones LOBE ACTH Adrenal cortex to release hormones FSH,LH Growth, maturation & function of sex organs GH/ SOMATOTROPIN Growth of body tissues & bones PROLACTIN/ LTH Development of mammary glands & lactation
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ENDOCRINE GLANDS ENDOCRINE GLAND HORMONE FUNCTION PITUITARY POSTERIOR LOBE ADH Regulates water metabolism OXYTOCIN Stimulate uterine contractions release of milk INTERME- DIATE LOBE MSH Affects skin pigmentation
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ENDOCRINE GLANDS ENDOCRINE GLAND HORMONES FUNCTION ADRENAL CORTEX ALDOSTERONE Fluid & electrolyte balance; Na reabsorption; K excretion CORTISOL Glycogenolysis; Gluconeogenesis Antiinflammatory Stress hormone SEX HORMONES Slightly significant
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ENDOCRINE GLANDS ENDOCRINE GLAND HORMONE FUNCTION ADRENAL MEDULLA EPINEPHRINE NOR- EPINEPHRINE Bronchodilation, Glycogenolysis Stress hormone
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ENDOCRINE GLANDS ENDOCRINE GLAND HORMONE FUNCTION THYROID Regulate metabolic rate Regulate physical & mental THYRO- CALCITONIN Decrease serum Ca by increasing bone deposition PARA- THYROID PTH Increase serum calcium by promoting bone decalcification
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ENDOCRINE GLANDS ENDOCRINE GLAND HORMONE FUNCTION PANCREAS BETA CELLS INSULIN Decrease blood glucose by: Glucose diffusion across cell membrane; Converts glucose to glycogen ALPHA CELLS GLUCAGON Increase blood glucose by: Gluconeogenesis Glycogenolysis
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ENDOCRINE GLANDS ENDOCRINE GLAND HORMONES FUNCTION OVARIES PROGES- TERONE Development of secondary sex charac in female Maturation of sex organs Sexual functioning Maintenance of pregnancy TESTES TESTOS- TERONE Development of secondary sex charac in male Maturation of sex organs Sexual functioning
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HORMONE REGULATION NEGATIVE FEEDBACK MECHANISM CHANGING OF BLOOD LEVELS OF CERTAIN SUBSTANCES (e. RHYTHMIC PATTERNS OF SECRETION (e.g. CORTISOL, FEMALE REPRODUCTIVE HORMONES) (PITUITARY-HYPOTHALAMIC AXIS, ADRENAL MEDULLA HORMONES)
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NEGATIVE FEEDBACK MECHANISM DECREASED HORMONE CONCENTRATION IN THE BLOOD (e.g. Thyroxine ) PITUITARY GLAND RELEASE OF STIMULATING HORMONE (e.g. TSH) STIMULATION OF TARGET ORGANS TO PRODUCE & RELEASE HORMONE (e.g. Thyroid gland release of Thyroxine) RETURN OF THE NORMAL CONCENTRATION OF HORMONE
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NEGATIVE FEEDBACK MECHANISM INCREASED HORMONE CONCENTRATION
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13150758-Review-Endocrine-Disorders-FINAL - ENDOCRINE...

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