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Hypertonic solution

Definition

noun

A solution that has higher osmotic pressure (or has more solutes) than another solution to which it is compared.


Supplement

When a cell’s cytoplasm is bathed in a hypertonic solution the water will be drawn out of the cell and into the solution by osmosis. If water molecules continue to diffuse out of the cell, it will cause the cell to shrink.


Compare: hypotonic solution.
See also: solute, solvent.


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Tonicity Explanation

... of the osmotic pressure (as defined by the water potential of the two solutions) of two solutions separated by a semipermeable membrane. It is ... tonicness that one solution can have relative to another. The three are hypertonic, hypotonic, and isotonic.

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by einfopedia
Wed Mar 28, 2012 7:44 am
 
Forum: Cell Biology
Topic: Tonicity Explanation
Replies: 11
Views: 18054

Question! Please Help!

Green olives may be preserved in brine, which is a 20-30% salt solution. How does this method prevent contamination by microorganisms? a)High ... thus inhibiting the process of glycolysis. b)Bacteria can't survive in a hypertonic solution because they lose water. c)Bacterial cell walls are shriveled ...

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by swish
Fri Feb 17, 2012 11:47 pm
 
Forum: Cell Biology
Topic: Question! Please Help!
Replies: 2
Views: 1938

Re: Incipient Plasmolysis

... the cells in a particular portion of plant tissue. we expose this to a hypertonic solution. when 50% of the cells of the tissue is plasmolyzed, it is at incipient plasmolysis. ...

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by angiezenun
Fri Aug 19, 2011 2:25 pm
 
Forum: Physiology
Topic: Incipient Plasmolysis
Replies: 2
Views: 9904

Re: Cell Permability

... conc of solvent molecules across semi permeable membrane. hypotonic solution- solution having low conc of solute molecule. hypertonic solution- solution having high conc. of solute molecule. blood cells have low osmotic ...

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by ipsha03
Thu Jul 14, 2011 4:25 pm
 
Forum: Cell Biology
Topic: Cell Permability
Replies: 6
Views: 16399

Loop of Henle and Vasa Recta

Sorry I was a little unclear on the first bit! As the solution descends the loop of henle it loses water to the vasa recta, causing its concentration to rise to meet the very hypertonic osmolarity of the interstitial fluids in the renal medulla (so it gets concentrated ...

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by Babybel56
Wed May 11, 2011 6:07 pm
 
Forum: Human Biology
Topic: Loop of Henle and Vasa Recta
Replies: 3
Views: 8291
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