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13 Cards in this Set
- Front
- Back
Neurohormone |
Chemicals that can be released as a neurotransmitter and hormone. |
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List Functions of Endocrine System |
Maintaining water balance, Maintaining electrolyte concentration, metabolism, growth, reproduction, cardiac activity, and immune function |
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Three hormone receptor locations : |
1. Cell membrane 2. Cytosol 3. Nucleus |
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Endocrine Organs |
Glandular organs dedicated to the secretion of hormones |
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Endocrine Tissues |
Hormone secreting tissues found within other organs |
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Hormone Classification - 3 Ways |
1. Solubility 2. Chemical structure 3. Location of targets |
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Water soluble |
Polar molecule that is dissolved in the blood, but is restricted to receptors located on the cell membrane of target cells |
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Lipid Soluble |
Non polar molecule that requires transport proteins to travel through the blood ;however can bind to receptors within the cell, such as the nucleus or in the cytosol |
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Steroid structure |
Lipid Soluble hormones constructed from sterol organic molecules |
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Biogenic amines and peptide structure |
Water soluble hormones composed of varying lengths of amino acids |
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Eicosanoids |
Water soluble; hormones composed of fatty acids primarily from arachidonic acid processed through the cyclic oxygenase (COX) pathway |
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Target Location - Circulating |
Hormones produced in one part of the body, distributed by the cardiovascular system, and have effects observed in different parts of the body |
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Target Location - Local, 2 types |
Paracrine - affect cells in the area immediate you the secreting cells Autocrine - affect the secreting cell |