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see spasmspasm,
involuntary rigid muscle contraction, often persistent and often accompanied by pain. It usually has some underlying physical cause such as disease, strain, or injury to the muscle or nearby tissues, impairment of circulation, or a disturbance of body chemistry.
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an involuntary muscular contraction; a form of hyperkinesia. A tic may be related to the effect of encephalitis on parts of the brain; it may be a congenital pathological condition, frequently associated with a neuropathic personality; it may appear with attacks of trigeminal neuralgia (tic douloureux); or it may result from neuritis of the facial nerve. A distinction is made between generalized tics, involving all the muscles, and local tics, which are more common. The muscles usually affected are those of the face and neck. The twitching resembles such voluntary movements as winking, frowning, lip-smacking, or lip-licking. Tics generally disappear during sleep and become more severe under emotional stress. Treatment consists of the administration of sedatives, tranquilizers, and anticonvulsants.


spasmodic twitching of a particular group of muscles


(Token Ring Interface Card) A TLA for a Token Ring NIC (network interface card).
References in periodicals archive ?
Michael, ex-lover of Hollywood actress Kate Beckinsale, said: 'A mate of mine told me I was doing the nervous tic in the pub the other day.
Sweating heavily and with a nervous tic Schettino said the financial cost was "insignificant compared to a mother losing her child", but added: "That is immeasurable but also for a captain to lose a ship is a pain that cannot be measured.
Even though he was clad in a leather helmet, his nervous tic of biting the air made him instantly recognisable.
This year I was determined to arrive looking like a normal human being instead of an escaped psychiatric patient with mad, staring eyes and a nervous tic (the tic got particularly bad the year the girls insisted on bringing along a Robbie Williams CD).
Fifteen minutes later I got off the phone with three booked tickets and a stress-induced nervous tic.
Glen, with huge teeth, terrible perm and a nervous tic, is sat in a busy restaurant holding up a card with the name Jill written on it.
After 40 minutes without a breakthrough yesterday, despite generous cloud cover and a shiny new ball, England were twitchier than a nervous tic until Bangladesh were skewered by the Finn end of the wedge.
Despite wearing a headband the Swiss ace constantly sweeps his hair from his forehead and I had to wonder if this was the result of a nervous tic or maybe just to let the television cameras see the Nike tick?
The house was bursting at the seams, the constant ring of mobile phones gave me a nervous tic and I'd more chance of Prince Andrew snogging me out of a deep sleep than finding an empty bathroom.
They included manic depression, paranoia, bulimia, obsessive compulsion, attention deficit disorder and a nervous tic.
She has a nervous tic and lately she's been repeating some funny noises.