Results for hypertonic

Hypertonic Definition and Examples.
The terms hypertonic" and hypotonic" often confuse students because they neglect to account for the frame of reference. For example, if you place a cell in a salt solution, the salt solution is more hypertonic more concentrated than the cell plasma.
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Hypertonic Dehydration: Symptoms, Causes, Treatment, Definition.
What is hypertonic dehydration? Hypertonic dehydration occurs when theres an imbalance of water and salt in your body. Losing too much water while keeping too much salt in the fluid outside your cells causes hypertonic dehydration. Some causes of this include.:
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Pearson The Biology Place.
Isotonic, Hypotonic, and Hypertonic Solutions. Water moves readily across cell membranes through special protein-lined channels, and if the total concentration of all dissolved solutes is not equal on both sides, there will be net movement of water molecules into or out of the cell.
Hypertonic saline test for the investigation of posterior pituitary function Archives of Disease in Childhood.
During the hypertonic saline test, preceded by a hypotonic stimulus, this patient showed a persistent secretion of small quantities of ADH when plasma osmolality fell below 284 mosmol/kg and a subnormal ADH response when plasma osmolality increased. This indicates a selective defect of the osmostat characterised by relative insensitivity to either hypertonic or hypotonic influences.
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Definition of hypertonic saline NCI Drug Dictionary National Cancer Institute.
When administered in vivo, hypertonic saline HTS exhbits several physiological effects beneficial to cerebral injury including: 1 osmotic and vasoregulatory by promoting the flow of excess water from cerebral tissue to the blood via osmosis and decreasing edema in the vascular endothelium of injured tissues, thus lowering vascular resistance and allowing more blood flow; 2 hemodymanic by effectively expanding plasma volume; 3 immunomodulatory by preventing leukocytes from becoming activated and adhering to injured neurons and; 4 neurochemical by counteracting detrimental excitatory amino acids through the normalization of neuronal cell membranes and by restoration of normal electrolyte and neurotransmitter levels in brain cells, and normal cell volumes.
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Tonicity Wikipedia.
In plant cells the terms isotonic, hypotonic and hypertonic cannot strictly be used accurately because the pressure exerted by the cell wall significantly affects the osmotic equilibrium point. Some organisms have evolved intricate methods of circumventing hypertonicity. For example, saltwater is hypertonic to the fish that live in it.
What are hypotonic, isotonic and hypertonic sports drinks?
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Hypertonic Solution Examples.
Any solution that allows fluid to flow across a membrane into it is considered a hypertonic solution, since hypertonic refers to any solution with higher concentrations of solutes without than within. When bodily fluids contain too much solutes such as salt, hence becoming hypertonic solutions, the body becomes dehydrated and must be rehydrated, or else a person will become sick.
Hypertonic Definition of Hypertonic by Merriam-Webster.
1: exhibiting excessive tone or tension a hypertonic baby a hypertonic bladder. 2: having a higher osmotic pressure than a surrounding medium or a fluid under comparison animals that produce urine which is hypertonic to their blood compare hypotonic sense 2, isotonic sense 1.
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Hypotonic v.s. Hypertonic v.s. Isotonic Solutions Cell Structure and Function.
Osmosis is simply the process by which water is rushed to places with high solute-concentration in an attempt to reach equilibrium. Equilibrium is the goal that osmosis is trying to achieve, but at times, a little something can go wrong namely hypertonic and hypotonic solutions.
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