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Definition
| Narrow range of normal conditions in the human body; the tendency to maintain a constant balance in normal body states. |
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| A safeguard or control mechanism within the human body that prevents dangerous changes |
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| Extracellular Fluid (ECF) |
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Definition
| The portion of total body water (about 1/3) that is in the space outside the cells. this space also includes interstitial fluid, blood, lymph, bone, an connective tissue water, and transcellular fluids |
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| Intracellular fluid (ICF) |
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Definition
| The portion of total body water about (2/3) that is found inside the cell |
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Definition
| A portion of the extracellular fluid that is between cells, sometimes called third space |
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| any of the fluids in special body spaces, including cerebrospinal fluid, synovial fluid, peritoneal fluid, and pleural fluid |
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Definition
| A particle dissolved or suspended in the water portion (solvent) of body fluids; a solution consists of a solute and a solvent |
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| Movement of fluid through a cell or blood vessel membrane because of water pressure |
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Definition
| The force of the weight of water molecules pressing against the confining walls of a space |
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Definition
| The quality of being porous |
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Definition
| Condition in which the hydrostatic pressure is no the same in the two fluid spaces on either side of a permeable membrane |
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Definition
| Movement of fluid from the space with higher hydrostatic pressure through the membrane into the space with lower hydrostatic pressure |
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Definition
| Tissue swelling from excess fluid |
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Definition
| Movement of particles (solute) across a permeable membrane form an area of higher particle concentration to an area of lower particle concentration (down a concentration gradient) |
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Definition
| Closed to a certain particle |
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Definition
| diffusion across a cell membrane that requires the assistance of a transport system or membrane-altering system, also called facilitated transport |
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Definition
| Movement of water only through a selectively permeable membrane |
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Definition
| Number of milliosmoles in a liter of solution |
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Definition
| number of milliosmoles in a kg of solution |
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Definition
| Minimum amount of urine needed per day to dissolve and excrete toxic waste products |
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Definition
| Water loss from the skin, lungs, and still that cannot be controlled |
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Definition
| Abnormal decreased volume of circulating fluid in the body; fluid deficit |
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Definition
| Fluid intake less than what is needed to meet the body's fluid needs |
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Definition
| Decrease in blood pressure occurs in the first few seconds to minutes after changing from a sitting or lying position to standing up |
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Definition
| Elevated plasma levels that occur when water is lost and other substances remain |
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| results from excessive water in the vascular space |
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| substances dissolved in body fluid that carry an electrical charge |
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