inotropicadj.
/ɪnə(ʊ)ˈtrəʊpɪk//ʌɪnə(ʊ)ˈtrəʊpɪk//ɪnə(ʊ)ˈtrɒpɪk//ʌɪnə(ʊ)ˈtrɒpɪk/ Physiology.
Modifying the contractility of muscle.
ΘΚΠ
the world > life > the body > structural parts > muscle > [adjective] > muscular tension
tonical1586
tonic1649
inotropic1903
ionotropic1939
1903 Sci. Amer. Suppl. 4 July 22992/3 The author describes..as inotropic such [influences] as lessen or destroy contractibility.
1971 Nature 25 June 531/1 An automated system for monitoring both the chronotropic and inotropic effects of chemical and physical agents.
Derivatives
iˈnotropism n. modification of the contractility of muscle.
ΘΚΠ
the world > life > the body > structural parts > muscle > [noun] > muscular tension
contraction1615
tonicity1824
myonicity1866
tonus1876
inotropism1902
ionotropy1976
stiffness1978
1902 Encycl. Brit. XXXI. 733/2 The centrifugal cardiac nerves influence the frequency, the force of contraction, and the conductivity of the excitatory wave (chrono-, ino-, and dromo-tropism of Engelmann).
1971 Nature 25 June 531/1 Although inotropism is defined as a change in force, by measuring changes in optical density, we can measure indirectly the relative elongation and contraction of the cells during each contraction cycle.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
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adj.1902