| 释义 |
vaso-motor, a. and n. Physiol.
[f. vaso-.]
A. adj.
1. Acting upon the walls of the blood-vessels, so as to produce constriction or dilatation of these and thus regulate or affect the flow of blood. Chiefly with nerve and centre.
(a)1868Spencer Princ. Psychol. i. vi. (1870) I. 115 The feelings that go along with discharges into the vaso-motor and sympathetic nerves, are the predominant ones. 1871Hammond Dis. Nervous Syst. 65 Certain medicines are causes of cerebral anæmia,..by their action on the vaso-motor nerves. 1876J. S. Bristowe Th. & Pract. Med. (1878) 41 The muscular tissue of the vascular system..is under the dominance of..the nerves of the vaso-motor system.
(b)1865Intell. Observ. No. 47. 390 The vaso-motor centres. 1875H. C. Wood Therap. (1879) 355 In large doses lobelia seems to paralyze the vaso-motor centres. 1897Allbutt's Syst. Med. IV. 641 It also excites the vaso-motor centre, and thus leads to rise in the blood-pressure.
2. Affecting the vaso-motor nerves or centres.
1879St. George's Hosp. Rep. IX. 677 The ophthalmoscope..yielded evidence of arterial relaxation, pointing to slight vaso-motor paralysis. 1881Trans. Obstet. Soc. Lond. XXII. 23 Were the phenomena due to peripheral irritation reflected from the cord in the form of motor and vaso-motor disturbance? 1897Trans. Amer. Pediatric Soc. IX. 195 Marked vaso-motor symptoms, and optic-nerve atrophy.
B. n. A vaso-motor nerve.
1887A. M. Brown Anim. Alkaloids 47 Marked heat and injection of the ear helices from paralysis of vaso-motor. 1899Allbutt's Syst. Med. VIII. 726 Hydrotherapeutic methods,..directed primarily to the cutaneous vaso-motors.
Hence vaso-moˈtorial a., vaso-moˈtorially adv., vaso-ˈmotory a.
1877M. Foster Physiol. 145 The vaso-motorial functions of the cervical sympathetic. 1897Allbutt's Syst. Med. IV. 282 The effects of the latter experiment may be explained as a result of vaso-motorial influence. 1899Ibid. VI. 28 A considerable number of instances of the purest vasomotory angina. 1901Lancet 8 June 1627/1 The most efficacious way of increasing the urinary flow vaso-motorially. |