Dictionary » T » Tension

Tension

tension

1. The act of stretching.

2. The condition of being stretched or strained, the degree to which anything is stretched or strained.

3. (Science: physics) voltage.

4. (Science: chemistry) The partial pressure of a gas in a fluid, for example, of oxygen in blood.

Origin: L. Tensio, Gr. Tonos


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Muscle Tension

Isotonic contractions involve the muscle in a situation where equal amount of tension is being developed in the muscle throughout the exercise. The muscle develops equal tension while the muscle length changes. Such examples are pull-ups, push-ups and lighting ...

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by Planky
Tue Aug 23, 2011 12:26 pm
 
Forum: Physiology
Topic: Muscle Tension
Replies: 4
Views: 1629

Transpiration - please help!

... each molecule (as water is polar molecule, there are weak hydrogen bonds between each and every molecule) water is pulled upwards due to the tension at the film of water on the mesophyll cells. Furthermore due to the hydrophilic walls of the xylem (as it is made up of hydrophilic cell walls), ...

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by Pokie
Tue Aug 02, 2011 7:47 am
 
Forum: Botany Discussion
Topic: Transpiration - please help!
Replies: 5
Views: 2943

Tonicity Explanation

"The elastic tension of living muscles, arteries, etc. that facilitate response to stimuli" is a definition of "tonicity".

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by Jastina13
Mon Aug 01, 2011 7:25 am
 
Forum: Cell Biology
Topic: Tonicity Explanation
Replies: 10
Views: 7898

Re: Muscle Tension

Sorry I have to pass te test in biology, but I don't know anything, it's not my sprcialization actually Could you please help me: Which of the following is an example of an isotonic contraction? ? 1.Pressing one hand against a wall 2.A specialized machine that works the muscle through the full range...

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by Nataly56
Thu Jul 14, 2011 10:49 am
 
Forum: Physiology
Topic: Muscle Tension
Replies: 4
Views: 1629

Re: Tonicity Explanation

... readiness of body tissues or organs; a condition of sustained partial contraction of resting or relaxed muscles. Tthe osmotic pressure or tension of a solution, as in the cells would swell or shrink depending on the tonicity of the environment. A property of a solution that depends on ...

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by bellyjelly
Tue Jul 12, 2011 7:17 am
 
Forum: Cell Biology
Topic: Tonicity Explanation
Replies: 10
Views: 7898
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