sudden+contraction
71reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …
72Mitral regurgitation — See also: aortic insufficiency and tricuspid insufficiency Mitral regurgitation Classification and external resources Mitral regurgitation (schematic drawing) During systole, contraction of the left …
73Twitch — 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 …
74headache — /hed ayk /, n. 1. a pain located in the head, as over the eyes, at the temples, or at the base of the skull. 2. an annoying or bothersome person, situation, activity, etc. [bef. 1000; ME; OE heafodece. See HEAD, ACHE] * * * Pain in the upper… …
75parturition — /pahr too rish euhn, tyoo , choo /, n. Biol. the process of bringing forth young. [1640 50; < LL parturition (s. of parturitio) travail, equiv. to L parturit(us) (ptp. of parturire; see PARTURIENT) + ion ION] * * * I or birth or childbirth or… …
76tic — /tik/, n. 1. Pathol. a. a sudden, spasmodic, painless, involuntary muscular contraction, as of the face. b. See tic douloureux. 2. a persistent or recurrent behavioral trait; personal quirk: her distinctive verbal tics. [1790 1800; < F (of… …
77United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
78Weight training — This article is about strength training using weight (gravity) to generate resistance to contraction. For basic principles on increasing the strength of muscles, see strength training. A complete weight training workout can be performed with a… …
79Deflation — For other uses, see Deflation (disambiguation). Not to be confused with Disinflation. Economics …
80cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
