involuntary movement or twitch of a muscle

См. также в других словарях:

• twitch´ing|ly — twitch «twihch», verb, noun. –v.i., v.t. 1. to move with a quick jerk: »The child s mouth twitched as if she were about to cry. 2. to pull with a sudden tug or jerk; pull (at): »She twitched the curtain aside. –n. 1. a slight, involuntary… …   Useful english dictionary

• twitch´er — twitch «twihch», verb, noun. –v.i., v.t. 1. to move with a quick jerk: »The child s mouth twitched as if she were about to cry. 2. to pull with a sudden tug or jerk; pull (at): »She twitched the curtain aside. –n. 1. a slight, involuntary… …   Useful english dictionary

• Muscle — For other uses of Muscle , see Muscle (disambiguation). A top down view of skeletal muscle Muscle (from Latin …   Wikipedia

• muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …   Universalium

• Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …   Medical dictionary

• Twitch — may refer to:* Muscle twitch, a muscle contraction ** Fasciculation, a small, local, involuntary muscle contraction ** Myoclonic twitch, a jerk usually caused by sudden muscle contractions **Myokymia, an continuous, involuntary muscle twitch that …   Wikipedia

• Muscle contraction — See also: Twitch and Tremor Top down view of skeletal muscle Muscle fiber generates tension through the action of actin and myosin cross bridge cycling. While under tension, the muscle may lengthen, shorten, or …   Wikipedia

• twitch — twitcher, n. twitchingly, adv. /twich/, v.t. 1. to tug or pull at with a quick, short movement; pluck: She twitched him by the sleeve. 2. to jerk rapidly: The rider twitched the reins a couple of times. 3. to move (a part of the body) with a… …   Universalium

• twitch — [[t]twɪtʃ[/t]] v. t. 1) to tug or pull at with a quick, short movement; pluck 2) to jerk rapidly 3) to move (a part of the body) with a sudden, jerking motion 4) to pinch or pull at sharply and painfully; give a smarting pinch to; nip 5) to move… …   From formal English to slang

• Tic — A repetitive movement that is difficult, if not impossible, to control. Tics can affect any group of muscles. The most common are facial tics, such as eye blinking, nose twitching, or grimacing. Tics that affect the muscles used to produce speech …   Medical dictionary

• tic — n. a repeated and largely involuntary movement varying in complexity from the twitch of a muscle to elaborate well coordinated actions. Simple tics occur in about a quarter of all children and usually disappear within a year. Tics most often… …   The new mediacal dictionary