chronotropyn.

Brit.

/krəˈnɒtrəpi/, U.S.

/krəˈnɑtrəpi/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: chrono- comb. form, -tropy comb. form.

Etymology: < chrono- comb. form + -tropy comb. form, after German Chronotropie (1899 or earlier). Compare earlier chronotropism n., chronotropic adj.

Physiology.

The rate of muscular contraction, esp. of the heart. Cf. inotropy n.

ΚΠ

1905 A. W. Hewlett tr. L. Krehl Princ. Clin. Pathol. 78 There may be variations not only in the regular sequence of the stimuli (chronotropy), but in the ability of the heart to respond to these stimuli (balmotropy).

1977 Gen. Pharmacol. 8 258/1 Morphine..produced a significant decrease in chronotropy from controls.

2012 K. Reuter-Rice & B. Bolick Pediatric Acute Care iii. 246/1 Low-dose infusions have more β-adrenergic effects—that is, positive inotropy and chronotropy.

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

单词	chronotropy
释义	chronotropyn. Brit. /krəˈnɒtrəpi/, U.S. /krəˈnɑtrəpi/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: chrono- comb. form, -tropy comb. form. Etymology: < chrono- comb. form + -tropy comb. form, after German Chronotropie (1899 or earlier). Compare earlier chronotropism n., chronotropic adj. Physiology. The rate of muscular contraction, esp. of the heart. Cf. inotropy n. ΚΠ 1905 A. W. Hewlett tr. L. Krehl Princ. Clin. Pathol. 78 There may be variations not only in the regular sequence of the stimuli (chronotropy), but in the ability of the heart to respond to these stimuli (balmotropy). 1977 Gen. Pharmacol. 8 258/1 Morphine..produced a significant decrease in chronotropy from controls. 2012 K. Reuter-Rice & B. Bolick Pediatric Acute Care iii. 246/1 Low-dose infusions have more β-adrenergic effects—that is, positive inotropy and chronotropy. This is a new entry (OED Third Edition, December 2012; most recently modified version published online March 2022). < n.1905
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