tension

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tension

 [ten´shun]
1. the act of stretching.
2. the condition of being stretched or strained; the degree to which something is stretched or strained.
3. the partial pressure of a component of a gas mixture or of a gas dissolved in a fluid, such as oxygen in blood.
5. mental, emotional, or nervous strain.
6. hostility between two or more individuals or groups.
arterial tension blood pressure within an artery.
carbon dioxide tension the partial pressure of carbon dioxide in the blood, noted as pCO2 in blood gas analysis. See also respiration.
electric tension electromotive force.
intraocular tension intraocular pressure.
surface tension tension or resistance that acts to preserve the integrity of a surface.
tissue tension a state of equilibrium between tissues and cells that prevents overaction of any part.

ten·sion

(ten'shŭn),
1. The act of stretching.
2. The condition of being stretched or tense, or a stretching or pulling force.
3. The partial pressure of a gas, especially that of a gas dissolved in a liquid such as blood.
4. Mental, emotional, or nervous strain; strained relations or barely controlled hostility between people or groups.
[L. tensio, fr. tendo, pp. tensus, to stretch]

tension

/ten·sion/ (ten´shun)
1. the act of stretching.
2. the condition of being stretched or strained.
3. the partial pressure of a component of a gas mixture.
4. mental, emotional, or nervous strain.
5. hostility between two or more individuals or groups.

arterial tension  blood pressure within an artery.
intraocular tension  (T) see under pressure.
intravenous tension  venous pressure.
surface tension  tension or resistance which acts to preserve the integrity of a surface.
tissue tension  a state of equilibrium between tissues and cells which prevents overaction of any part.

tension

(tĕn′shən)
n.
1.
a. The act or process of stretching something tight.
b. The condition of so being stretched; tautness.
2.
a. A force tending to stretch or elongate something.
b. A measure of such a force: a tension on the cable of 50 pounds.

ten′sion·al adj.

tension

[ten′shən]
Etymology: L, tendere, to stretch
1 the act of pulling or straining until taut.
2 the condition of being taut, tense, or under pressure.
3 a state or condition resulting from the psychological and physiological reaction to a stressful situation. It is characterized physically by a general increase in muscle tonus, heart rate, respiration rate, and alertness and psychologically by feelings of strain, uneasiness, irritability, and anxiety. See also stress.

tension

Vox populi A general term for any form of actual or perceived pressure. See Tension headache.

ten·sion

(ten'shŭn)
1. The act of stretching.
2. The condition of being stretched or tense, or a stretching or pulling force.
3. The partial pressure of a gas, especially that of a gas dissolved in a liquid such as blood.
4. Mental, emotional, or nervous strain; strained relations or barely controlled hostility between people or groups.
[L. tensio, fr. tendo, pp. tensus, to stretch]

tension

Muscle contraction as a reflection of anxiety. Most headaches are caused in this way. Tension, and associated symptoms, can often be relieved by formal relaxation procedures.

ten·sion

(ten'shŭn)
1. Act of stretching.
2. Condition of being stretched or tense, or a stretching or pulling force.
[L. tensio, fr. tendo, pp. tensus, to stretch]

tension

1. the act of stretching or the condition of being stretched or strained.
2. the partial pressure of a component of a gas mixture or of a gas dissolved in a fluid, e.g. of oxygen in blood.
3. voltage.

arterial tension
blood pressure within an artery.
tension band wires
heavy gauge wire is inserted in fracture fragments and around pins placed in the fragments in order and adjusted to create compression on the fracture site. Suited for treatment of apophyseal or epiphyseal avulsion fractures. See also tension band plate.
intraocular tension
intraocular pressure; intraocular tension, normal intraocular tension being indicated by Tn, while T + 1, T + 2, etc. indicate increased tension, and T − 1, T − 2, etc. indicate decreased tension.
tension line
the direction of pull on the skin in any given region. A map of the body, drawn to show the various lines of pull, or tension, is useful in planning surgical closure of skin incisions, particularly ones with defects, in order to minimize forces that might cause dehiscence.
surface tension
tension or resistance that acts to preserve the integrity of a surface.
tissue tension
a state of equilibrium between tissues and cells that prevents overaction of any part.

Patient discussion about tension

Q. What are the symptoms of tension and migraine headaches? I get a lot of headaches and wanted to know if there is a way to tell if I am having migraines or regular tension headaches.

A. Check out this website, its all about headaches and migraines:
http://headaches.about.com/od/headpain101/a/what_is.htm

Q. i feel huge tension when i am in close narrow environment , is it a phobia?

A. Yes, it may be considered a phobia, or more specifically situational type phobia. However, the important thing is whether is this fear reasonable? Do you think it's out of proportion? Phobia is a fear that one perceive as irrational and out of proportion and yet one feels and is affected adversely by it. If this fear is appropriate (e.g. fear of falling in mountain climbing) it's not a phobia.

You may read more about it http://www.nlm.nih.gov/medlineplus/phobias.html

More discussions about tension
References in periodicals archive ?
Influences of Leakage Gap Variations on the Dynamics of Hydraulic Chain Tensioners - Experiment and Simulation," SAE Technical Paper 2008-01-0294, 2008, doi:10.
For example, the thread path on my APQS machine is simple, using a single disk thread tensioner to apply pressure to the thread as it passes through which makes it easy to loosen the tension and reduce friction (Photo C).
Hi-Force, a leading global manufacturer of high pressure hydraulic tools, which offers a range of hydraulic bolt tensioners has most recently launched the SBT spring assisted return bolt tensioners.
13 October 2014 - Norwegian lightweight composite cylinders specialist Hexagon Composites ASA said today its fully-controlled unit Hexagon Lincoln had acquired US firms MasterWorks Machining Inc, MasterWorks Composite Solutions and Helman Tensioners Inc, together the MasterWorks family of businesses, in a deal worth USD1.
Many tensioners are readily accessible and attach to the engine with a single bolt.
With the newly developed pneumatically central, per machine side adjustable roller yarn tensioner, and the individual yarn tensioners such as the crocodile and hysteresis tensioners for the creel yarn, an increase in economic efficiency and quality can be achieved.
The resulting pump facilitates hassle-free operation of bolt tensioners and hydraulic nuts in remote locations.
Providing absolute output proportional to shaft rotation over a total range of up 120[degrees], Macro Sensors' RSE 1500 Series of rotary position sensors is suitable for measuring the position of quarter-turn valves, flue dampers, weir gates, dancer arm tensioners, and other applications involving fractional-turn shaft movements.
This new cleaning plant is equipped with top of the line equipment including a computerized Robo-Sorter and 2 tensioners.
Tie bar Supernut tensioners are said to simplify press opening adjustment and require no special tools.
The catalog also includes roller chains as web as timing belt and chain tensioners.