inotropyn.

Brit.

/ʌɪˈnɒtrəpi/,

/ɪˈnɒtrəpi/, U.S.

/aɪˈnɑtrəpi/,

/ɪˈnɑtrəpi/

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: inotropic adj., -y suffix³.

Etymology: < inotrop- (in inotropic adj.) + -y suffix³, after German Inotropie (1899 or earlier); compare -tropy comb. form. Compare slightly earlier inotropism n. at inotropic adj. Derivatives. Compare also ionotropy n.²

Physiology.

The contractile strength of muscle, esp. heart muscle.

ΚΠ

1905 A. W. Hewlett tr. L. Krehl Princ. Clin. Pathol. 78 The propagation of stimuli over the heart (dromotropy), as well as the contractility of the muscle (inotropy), may be abnormally increased or diminished.

1953 Amer. Heart Jrnl. 45 129 Choline..has marked activity in blocking the negative inotropy of pentobarbital.

2007 Xiao-Shi Qi et al. in S. M. Cohn Complications Surg. & Trauma xxviii. 359/1 The goal of medical therapy is to increase right-ventricular inotropy, with drugs such as..isoproterenol.

This is a new entry (OED Third Edition, March 2012; most recently modified version published online March 2022).

单词	inotropy
释义	inotropyn. Brit. /ʌɪˈnɒtrəpi/, /ɪˈnɒtrəpi/, U.S. /aɪˈnɑtrəpi/, /ɪˈnɑtrəpi/ Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: inotropic adj., -y suffix³. Etymology: < inotrop- (in inotropic adj.) + -y suffix³, after German Inotropie (1899 or earlier); compare -tropy comb. form. Compare slightly earlier inotropism n. at inotropic adj. Derivatives. Compare also ionotropy n.² Physiology. The contractile strength of muscle, esp. heart muscle. ΚΠ 1905 A. W. Hewlett tr. L. Krehl Princ. Clin. Pathol. 78 The propagation of stimuli over the heart (dromotropy), as well as the contractility of the muscle (inotropy), may be abnormally increased or diminished. 1953 Amer. Heart Jrnl. 45 129 Choline..has marked activity in blocking the negative inotropy of pentobarbital. 2007 Xiao-Shi Qi et al. in S. M. Cohn Complications Surg. & Trauma xxviii. 359/1 The goal of medical therapy is to increase right-ventricular inotropy, with drugs such as..isoproterenol. This is a new entry (OED Third Edition, March 2012; most recently modified version published online March 2022). < n.1905
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