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TLL CH10
THE ENDOCRINE SYSTEM
| Question | Answer |
|---|---|
| ENDOCRINE SYSTEM | SECRETE HORMONES INTO BLOOD STREAM AT THE CAPILLARY NETWORK INVOLVED IN VIRTUALLY ALL BODY FUNCTIONS |
| ENDOCRINE SYSTEM & ITS HORMONES HELP REGULATE | -GROWTH-THE USE OF FOODS TO PRODUCE ENERGY-RESISTANCE TO STRESS-THE PH OF BODY FLUIDS-FLUID BALANCE-REPRODUCTION |
| CHEMISTRY OF HORMONES | CHEMICAL MESSAGE OF SUPPLY AND DEMAND..MAY BE CLASSIFIED INTO THREE GROUPS:AMINES, PROTEINS AND STEROIDS |
| AMINES | SIMPLE HORMONES THAT STRUCTURAL VARIATIONS OF THE AMINO ACID TYROSINE. GROUP INCLUDES THYROXINE FROM THYROID GLAND AND EPINEPHRINE AND NOREPINEPHRINE FROM ADRENAL MEDULLA |
| PROTEINS | HORMONES MADE FROM AMINO ACIDS. INSULIN FROM PANCREAS, GROWTH HORMONE FROM THE ANTERIOR PITUITARY GLAND, AND CALCITONIN FROM THE THYROID GLAND ARE ALL PROTEINS |
| STEROIDS | CHOLESTEROL IS THE PRECURSOR FOR STEROID HORMONES INCLUDED IS CORTISOL AND ALDOSTERONE (FROM ADRENAL CORTEX), ESTROGEN AND PROGESTERONE (FROM OVARIES), AND TESTOSTERONE (FROM TESTES) |
| REGULATION OF SECRETIONS | ENDOCRINE GLANDS RESPOND TO A CHANGE, SECRETE THE HORMONE. WHEN THE TARGET ORGAN RECEIVES AN ADEQUATE AMOUNT,IT SENDS A MESSAGE TO DECREASE THE HORMONE |
| RECEPTOR SITES | SPECIFIC SITE ON THE CELL MEMBRANE OR CYTOPLASM THAT ACCEPTS A SPECIFIC HORMONE |
| ADH (ANTIDIURETIC HORMONE) | HELP TO RETAIN WATER (EX. DEHYDRATED-AHD WILL INCREASE SO KIDNEYS CAN REABSORB THE WATER AND URINE OUTPUT |
| GH (GROWTH HORMONE) | INCREASES CELL DIVISION (MITOSIS) TO INCREASE GROWTH |
| TSH (THYROID STIMULATING HORMONE | THYROID IN INCREASE ENGERY AND STIMULATES THE RELEASE OF THYROXINE |
| ACTH | ADRENOCORTICOTROPIC--ADRENALS-INFLAMMATORY RESPONSE STIMULATES THE RELEASE OF CORTISOL |
| THYROXINE | COMBINES WITH TSH AND REGULATES ENERGY PRODUCTION AND METABOLIC RATE |
| CALCITONIN | REGULATION OF CALCIUM AND PHOSPHATE BETWEEN THE BONES AND THE BLOOD. MAINTAINS ADEQUATE LEVELS IN BONE BY DECREASING BLOOD LEVEL |
| PARATHYROID GLAND | POSTERIOR SIDE OF THE THYROID, 4 SMALL GLANDS |
| PTH | ANTAGONIST TO CALCITONIN-CALCIUM AND PHOSPHATE REGULATES AND PULLS CALCIUM INTO THE BLOOD |
| PANCREAS | ALPH AND BETA CELLS. UPPER L QUADRANT |
| GLUCAGON | ALPHA CELLS-INCREASE BLOOD GLUCOSE LEVEL FOR CELL RESPIRATION |
| INSULIN | BETA CELLS-CHANGES THE PERMEABILITY OF THE CELL WALL TO ALLOW THE GLUCOSE TO ENTER THE CELL. DECREASE BLOOD GLUCOSE LEVEL |
| ADRENALS | TOP OF THE KIDNEYS-RESPOND TO STRESSFUL SITUATIONS |
| EPINEPHRINE | MIMICS THE SYMPATHETIC NERVOUS SYSTEM. INCREASE HR AND FORCE OF CONTRACTION, BRONCHIOLES DILATE |
| NOREPINEPHRINE | PERIPHERL VASCONSTRICTION. SHIFT BLOOD TO THE VITAL ORGANS |
| ALDOSTERONE | REGULATION OF NA+ AND K+ BETWEEN THE BLOOD AND THE KIDNEYS, INCREASED NA+ ABSORPTION BY THE KIDNEYS REGULATES BLOOD VOLUME, BLOOD PRESSURE, AND BLOOD PH |
| CORTISOL | IMPORTANT IN BRAIN FUNCTION, AND ANTI-INFLAMMATORY |
| ESTROGEN | PREPARE FEMALE ORGANS FOR CHILDBIRTH (FEMALE CHARACTERISTICS) |
| PROGESTERONE | PREPARE THE UTERUS FOR PREGNANCY |
| TESTOSTERONE | MALE CHARACTERISTICS |
| NEGATIVE FEEDBACK SYSTEM | RELATES BACK TO THE REGULATION OF CHEMICAL SUPPLY AND DEMAND. THE EFFECTS OF THE HORMONE DECREASE THE SECRETION OF THE SAME HORMONE |