spasm and twitching of the muscles, particularly those of the face, hands, and feet. Tetany is usually caused by a reduction in the blood calcium level, which may be due to underactive parathyroid glands, rickets, or alkalosis.

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  • Tetany — has two meanings, though both are related to the muscular system.* Tetany (action potential summation) * Tetany (medical sign)The terms tetany and tetanus are distinct …   Wikipedia

  • Tetany — Tet a*ny, n. (Med.) A morbid condition resembling tetanus, but distinguished from it by being less severe and having intermittent spasms. [1913 Webster] …   The Collaborative International Dictionary of English

  • tetany — 1890, from Fr. tétanie “intermitent tetanus,” from Mod.L. tetania (see TETANUS (Cf. tetanus)) …   Etymology dictionary

  • tetany — [tet′ n ē] n. [ModL tetania: see TETANUS] an abnormal condition characterized by tetanic spasms of voluntary muscles, esp. in the extremities …   English World dictionary

  • Tetany — A combination of signs and symptoms, due usually to low calcium, that can include: {{}}Hyperreflexia (overactive neurological reflexes), Carpopedal spasm (spasms of the hands and feet), Cramps, and Laryngospasm (spasm of the larynx, the voice… …   Medical dictionary

  • tetany — /tet n ee/, n. Pathol. a state marked by severe, intermittent tonic contractions and muscular pain, due to abnormal calcium metabolism. [1880 85; < NL tetania. See TETANUS, Y3] * * * ▪ disease       condition characterized by rhythmic cramping of …   Universalium

  • Tetany (action potential summation) — Tetany is a muscular physical state at which action potentials from nerves arrive to the skeletal muscle motor end plate rapidly enough in succession to cause a steady contraction. This differs from individual twitches in that the twitches are… …   Wikipedia

  • Tetany (medical sign) — SignSymptom infobox Name = Tetany Caption = DiseasesDB = 29143 ICD10 = ICD10|R|29|0|r|25 ICD9 = ICD9|781.7 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D013746 Tetany is a medical sign, the involuntary contraction of… …   Wikipedia

  • tetany — noun Etymology: International Scientific Vocabulary, from Latin tetanus Date: circa 1885 a condition of physiological calcium imbalance marked by tonic spasm of muscles and often associated with deficient parathyroid secretion …   New Collegiate Dictionary

  • tetany — n. [Gr. tetanos, stiffness] State of contraction of a muscle caused by continuous stimulation either natural or electrical. tetracerous, tetracerate adj. [Gr. tetra, four; keras, horn] Having four horns. tetraclad n. [Gr. tetra, four; klados,… …   Dictionary of invertebrate zoology

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