dromotropicadj.

/drɒməˈtrɒpɪk/

Etymology: < Greek δρόμος running + τροπικός (see tropic n. and adj.¹).

†a. Botany. (See quot. 1890 for dromotropism n. at Derivatives.) Obsolete.

ΚΠ

1890 [see dromotropism n. at Derivatives].

1900 B. D. Jackson Gloss. Bot. Terms (Additions) Dromotropism, the irritability of climbing plants which results in the spiral growth (Macmillan); adj. dromotropic.

b. Physiology. [ < French dromotrope (T. W. Engelmann 1901, in Arch. Néerland. des Sci. exactes et nat. 2nd Ser. VI. 690).] Affecting the conduction of nervous impulses through muscles of the heart.

ΚΠ

1906 J. R. Murlin tr. R. Tigerstedt Text-bk. Human Physiol. vi. 189 Engelmann describes these effects of vagus excitation as..negatively dromotropic (diminishing the conductivity).

1942 Index-Catal. Libr. Surg. Gen. 4th Ser. VII. 347/2 (heading) Heart nerves... Dromotropic action.

1968 H. Davson & M. G. Eggleton Princ. Human Physiol. (ed. 14) vii. 169 The vagi may diminish the conduction of the excitatory process from atria to ventricles and to all parts of the ventricles (dromotropic effect).

Derivatives

droˈmotropism n. (rare).

ΚΠ

1890 C. Macmillan in Amer. Naturalist 24 367 It is proposed to term the motion of twining plants—so far as that motion is the result of the specific irritability—dromotropism, and we can then speak of such twining shoots as dromotropic.

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).

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

单词	dromotropic
释义	dromotropicadj. /drɒməˈtrɒpɪk/ Etymology: < Greek δρόμος running + τροπικός (see tropic n. and adj.¹). †a. Botany. (See quot. 1890 for dromotropism n. at Derivatives.) Obsolete. ΚΠ 1890 [see dromotropism n. at Derivatives]. 1900 B. D. Jackson Gloss. Bot. Terms (Additions) Dromotropism, the irritability of climbing plants which results in the spiral growth (Macmillan); adj. dromotropic. b. Physiology. [ < French dromotrope (T. W. Engelmann 1901, in Arch. Néerland. des Sci. exactes et nat. 2nd Ser. VI. 690).] Affecting the conduction of nervous impulses through muscles of the heart. ΚΠ 1906 J. R. Murlin tr. R. Tigerstedt Text-bk. Human Physiol. vi. 189 Engelmann describes these effects of vagus excitation as..negatively dromotropic (diminishing the conductivity). 1942 Index-Catal. Libr. Surg. Gen. 4th Ser. VII. 347/2 (heading) Heart nerves... Dromotropic action. 1968 H. Davson & M. G. Eggleton Princ. Human Physiol. (ed. 14) vii. 169 The vagi may diminish the conduction of the excitatory process from atria to ventricles and to all parts of the ventricles (dromotropic effect). Derivatives droˈmotropism n. (rare). ΚΠ 1890 C. Macmillan in Amer. Naturalist 24 367 It is proposed to term the motion of twining plants—so far as that motion is the result of the specific irritability—dromotropism, and we can then speak of such twining shoots as dromotropic. 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). This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). < adj.1890
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