Flashcard Set Preview
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| 1 |
Zona Reticularis
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inner layer of adrenal cortex
Androgens (gonadocorticoids)
have minimal effects,...
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| 2 |
Adrenal Medulla
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made of modified sympathetic neurons (Chromaffin cells)
intensifies sympathetic responses...
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| 3 |
name 2 synergistic hormones
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aldosterone and ADH
both give concentrated urine
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| 4 |
considered to be both an exocrine and endocrine gland
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Pancreas
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| 5 |
pancreas:
what percent of cells produce digestive enzymes (exocrine)?
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99%
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| 6 |
Pancreatic islets or islets of langerhans (endocrine)
Made up of what four cells?
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Alpha or A cells--secrete glucagon, raise blood sugar
Beta or B cells--secrete insulin,...
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| 7 |
Islets of Langerhans (endocrine portion) make up what percent of pancreatic cells?
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1%
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| 8 |
What two hormones exhibit an antagonisitic effect?
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glucagon and insulin
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| 9 |
gonads
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ovaries and testes
produce gametes (sperm and/ or eggs) and hormones
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| 10 |
ovaries produce what 4 hormones?
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estrogens and progesterone--regulate the menstral cycle, maintain pregnancy, prepare mammary...
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| 11 |
testes produce what 2 hormones?
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testosterone--regulates sperm production and maintains male secondary sex characteristics
inhibin--inhibits...
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| 12 |
pineal gland is attatched to which ventricle of the brain at the midline?
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THIRD
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| 13 |
pineal gland is made up of what cells?
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nueroglia--supporting cells
pinealocytes
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| 14 |
pineal gland, (pinealocytes) secrete what hormone?
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MELATONIN amine hormone that appears to contribute to setting biological clcok (stimulate...
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| 15 |
thymus is located where?
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behind the sternum, between the lungs
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| 16 |
Thymus produces what 3 hormones?
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thymosin
thymic factor (TF)
thymopoietin
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| 17 |
Thymus hormones are involved in what?
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T cell maturation (aka T lymphocyte)
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| 18 |
Other tissues secreting hormones-
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placenta--estrogens and placenta
heart--ANP: opposite function to ADH and Aldosterone
GI...
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| 19 |
is the placenta considered an endocrine gland?
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no it's just an organ capable of secreting certain hormones
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