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tonic contraction

См. также в других словарях:

  • tonic contraction — tetanus (def. 2) …   Medical dictionary

  • tonic — 1. In a state of continuous unremitting action; denoting especially a prolonged muscular contraction. 2. Invigorating; increasing physical or mental tone or strength. 3. A remedy purported to restore enfeebled function and promote vigor and a …   Medical dictionary

  • tonic — I. adjective Etymology: Greek tonikos, from tonos tension, tone Date: 1649 1. a. characterized by tonus < tonic contraction of muscle >; also marked by prolonged muscular contraction < tonic convulsions > b. producing or adapted to produce… …   New Collegiate Dictionary

  • Tonic vibration reflex — is a sustained contraction of a muscle subjected to vibration. This reflex is caused by vibratory activation of muscle spindles muscle receptors sensitive to stretch.Tonic vibration reflex is evoked by placing a vibrator which in this case is… …   Wikipedia

  • Tonic — Ton ic, a. [Cf. F. tonigue, Gr. ?. See {Tone}.] 1. Of or relating to tones or sounds; specifically (Phon.), applied to, or distingshing, a speech sound made with tone unmixed and undimmed by obstruction, such sounds, namely, the vowels and… …   The Collaborative International Dictionary of English

  • Tonic spasm — Tonic Ton ic, a. [Cf. F. tonigue, Gr. ?. See {Tone}.] 1. Of or relating to tones or sounds; specifically (Phon.), applied to, or distingshing, a speech sound made with tone unmixed and undimmed by obstruction, such sounds, namely, the vowels and… …   The Collaborative International Dictionary of English

  • contraction — 1. A shortening or increase in tension; denoting the normal function of muscle. 2. A shrinkage or reduction in size. 3. Heart beat, as in premature c..beat. [L. contractus, drawn together] after c …   Medical dictionary

  • tonic — n. & adj. n. 1 an invigorating medicine. 2 anything serving to invigorate. 3 = tonic water. 4 Mus. the first degree of a scale, forming the keynote of a piece (see KEYNOTE 3). adj. 1 serving as a tonic; invigorating. 2 Mus. denoting the first… …   Useful english dictionary

  • tonic spasm — Med. See under spasm (def. 1). [1825 35] * * * tonic spasm noun (medicine) A prolonged uniform muscular spasm, opp to clonic spasm or clonus • • • Main Entry: ↑tonic * * * tonic spasm, a prolonged contraction of a muscle or muscles without… …   Useful english dictionary

  • tonic — noun 1》 a medicinal substance taken to give a feeling of vigour or well being. 2》 something with an invigorating effect. 3》 (also tonic water) a carbonated soft drink with a bitter flavour, used as a mixer with gin or other spirits. 4》 Music the… …   English new terms dictionary

  • tonic — 1) adj. a) relating to normal muscle tone. b) marked by continuous tension (contraction), e.g. a tonic muscle spasm. 2) n. a medicinal substance purporting to increase vigour and liveliness and produce a feeling of wellbeing: beneficial effects… …   The new mediacal dictionary


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