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Etymology: AS, spinnan, to draw threads
1 the intrinsic angular momentum of an elementary particle or a nucleus of an atom.
2 intrinsic joint movements about an axis perpendicular to the articular surface.


An MRI term for the property (spin) exhibited by atomic nuclei containing an odd number of protons and/or neutrons.


Abbreviation for:
Sandwell Public Information
Social Phobia Inventory
speech perception in noise

Patient discussion about spin

Q. Is this Vertigo? When I stand on high places and look down and feel very dizzy. Is this vertigo?

A. Vertigo is often confused with a fear of heights. However, the dizzy feeling when you look down from a high place is not the same as vertigo, which can occur at any time and may last for many years.
Vertigo is more severe than dizziness, which is often experienced as a feeling of light-headedness when you stand up. Vertigo can make moving around difficult, as the sensation of spinning affects your balance.

Q. What causes Vertigo? My friend says she has vertigo and suffers from dizzy spells every now and then. Is this physiological or physical?

A. Vertigo is most commonly caused by a problem with the balancing mechanism in the inner ear. This is a coiled tube of fluid that lies behind the eardrum called the labyrinth. Viral infections such as a common cold or flu can spread to the labyrinth (labyrinthitis). Less commonly, labyrinthitis is caused by a bacterial infection of the middle ear (otitis media). Vertigo caused by an ear infection usually starts suddenly, and may be accompanied by a painful ear and high temperature.
Vertigo can also occur because of:
Arthritis in the neck, Migraines, Poor circulation, Motion sickness and over-breathing (hyperventilation), Alcohol and certain drugs.

Q. What Is The Difference Between Dizziness and Vertigo? I have really bad dizziness problems, and my doctor wrote down that I have "true vertigo". What is the difference between vertigo and dizziness?

A. Vertigo is a term that means there is a feeling as if in a spin. Dizziness describes any lack of stableness, not necessarily a true spinning sensation. There are two types of vertigo: subjective and objective. Subjective vertigo is when a person feels a false sensation of movement. Objective vertigo is when the surroundings will appear to move past a person's field of vision.

More discussions about spin
References in periodicals archive ?
Police are hunting for clues after a car span off a road and landed upside down on a roundabout.
The group was formed over three years ago when EMI span off HMV and Dillons and the new business bought Waterstone's from WH Smith on the same day.
Another example is Scipher, the intellectual property exploitation business that span off from Thorn EMI in 1996 and is now worth just over pounds 100 million.
Rebecca Scanlon, who span while leading a race then picked up a win when the kart ahead of her span off with only five metres to go to the chequered flag, made the most of her luck to move up two places to seventh, though she would have been third had she kept a cool head earlier.
But Bellamy nipped behind the Villa defence again to provide a cross which span off defender Curtis Davies and forced Friedel into another smart save.
Synthonia were on the wrong end of a quick goal as a Walton free-kick span off the wall and McKenzie drilled home after just four minutes.
Murphy span off his marker and found himself in the right spot to meet the Portuguese defender's return ball, striking the low cross home first-time.
Thus, created when Scottish Telecom span off the business in a flotation last year, concentrates on business customers.
It wasn't long before Wilsterman again had home hearts fluttering again with another header, this time from Davi d Smith's corner after front man Dean Windass had forced Peter Ndlovu to head behind his own goal, but this time the centre-half failed to get a decent connection and the ball span off his head and ran well wide.
Europe's largest DIY retailer, which owns B&Q and Brico Depot in France, span off Kesa earlier this year to allow it to concentrate on the buoyant home improvement market.
His shot, typically, carried real power and span off keeper Russell Hoult's outstretched leg, off the near post and into the far corner.
In Warwickshire yesterday a woman died and three others were injured when a car span off the M40.