excitability

excitability
Having the capability of being excitable.
- supranormal e. at the end of phase three of the cardiac action potential, the successful stimulation threshold falls below ( i.e., less negative than) the level necessary to produce excitation during the rest of the phase of diastole, so that an ordinary subthreshold stimulus becomes effective. Cf.:supranormal conduction.

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ex·ci·ta·bil·i·ty (ek-sīt″ə-bilґĭ-te) 1. irritability. 2. the capacity of a cell to depolarize and form an action potential when in the presence of a stimulus stronger than a threshold value.

Medical dictionary. 2011.

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  • Excitability — Ex*cit a*bil i*ty, n. [Cf. F. excitabilit[ e].] 1. The quality of being readily excited; proneness to be affected by exciting causes. [1913 Webster] 2. (Physiol.) The property manifested by living organisms, and the elements and tissues of which… …   The Collaborative International Dictionary of English

  • excitability — index passion Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Excitability — (Roget s Thesaurus) >Excess of sensitiveness. < N PARAG:Excitability >N GRP: N 1 Sgm: N 1 excitability excitability impetuosity vehemence Sgm: N 1 boisterousness boisterousness &c. >Adj. Sgm: N 1 turbulence turbulence Sgm: N 1… …   English dictionary for students

  • excitability — (New American Roget s College Thesaurus) Capability to be stimulated Nouns 1. excitability, impetuosity, impatience, intolerance; irritability (see irascibility); disquiet[ude], agitation, jitters, cold sweat. Slang, heebie jeebies, shakes,… …   English dictionary for students

  • excitability — sužadinamumas statusas T sritis chemija apibrėžtis Atomo (dalelės) gebėjimas pereiti į aktyvesnę būseną. atitikmenys: angl. excitability rus. возбуждаемость …   Chemijos terminų aiškinamasis žodynas

  • excitability — jaudrumas statusas T sritis fizika atitikmenys: angl. excitability; irritability vok. Erregbarkeit, f; Reizbarkeit, f rus. возбудимость, f; раздражимость, f; раздражительность, f pranc. excitabilité, f; irritabilité, f …   Fizikos terminų žodynas

  • excitability — jaudrumas statusas T sritis ekologija ir aplinkotyra apibrėžtis Gyvų ląstelių ir organizmų savybė reaguoti į dirginimą (jaudinimą) susijaudinimu. Sukelia nervinį impulsą ir sudėtingas biochemines reakcijas. atitikmenys: angl. excitability vok.… …   Ekologijos terminų aiškinamasis žodynas

  • excitability — jaudrumas statusas T sritis Kūno kultūra ir sportas apibrėžtis Gyvų ląstelių gebėjimas reaguoti į aplinkos kitimą (dirginimą) jaudinimu. atitikmenys: angl. excitability vok. Erregbarkeit, f rus. возбудимость …   Sporto terminų žodynas

  • excitability — excitable ► ADJECTIVE ▪ easily excited. DERIVATIVES excitability noun excitably adverb …   English terms dictionary

  • excitability — noun see excitable …   New Collegiate Dictionary

  • excitability — /ik suy teuh bil i tee/, n. 1. the quality of being excitable. 2. Physiol. irritability. [1780 90; EXCITABLE + ITY] * * * …   Universalium

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