| 释义 |
vaso-|ˈveɪsəʊ|
combining form, on Gr. types, of L. vās vas, employed in terms of Phys. and Path. relating to the vascular system or parts of this, as vaso-cellular adj., vaso-constricting adj., vaso-constriction, vaso-constrictive adj., vaso-constrictor, vaso-dentinal adj., vaso-dentine, vaso-dilatation, vaso-dilating adj., vaso-dilation, vaso-dilator, vaso-ganglion, vaso-inhibitory adj., vaso-motive adj.; vasoliˈgation Surg., ligation of a vessel, esp. of the vasa deferentia; ˈvasospasm a sudden constriction of a blood vessel, resulting in reduced flow; hence vasoˈspastic a.; vasoˈvagal a., involving the vagus nerve and the vascular system: applied to an attack (often the result of emotional stress) in which there is a slowing of the pulse and a fall in blood pressure, causing pallor, fainting, sweating, and nausea; ˌvasovaˈsostomy Surg. [-stomy], an operation to reverse a vasectomy by rejoining the cut ends of the vasa deferentia.
1847Todd's Cycl. Anat. III. 1026/2 *Vaso-cellular structure [of the penis].
1925Proc. R. Soc. B. XCVII. 325 The toxic and *vaso⁓constricting action..has not been confronted by us provided we make use of freshly defibrinated blood. 1975Daily Colonist (Victoria, B.C.) 16 July 2/3 One of the vasoconstricting drugs..can be helpful.
1899Allbutt's Syst. Med. VII. 249 The velocity of the blood flow is increased, whenever the arterial pressure is raised by general *vaso-constriction.
1890W. James Princ. Psychol. I. 97 Slowing and quickening of the heart..are independent of the *vaso-constrictive phenomenon. 1895Rolleston Dis. Liver 271 To obtain the local vasoconstrictive effect on the bleeding vessels.
1877M. Foster Physiol. 259 Stimulating a number of *vaso-constrictor nerves. 1896Allbutt's Syst. Med. I. 112 When the vaso-constrictors alone are acting, the process is retarded.
1851G. A. Mantell Petrifactions iii. §5. 254 The softer *vaso-dentinal tract of the tooth opposed to it below.
1849–52Todd's Cycl. Anat. IV. ii. 878 The tubes which convey the capillary vessels through the substance of the osteo- and *vaso-dentine of the teeth of fishes. 1880Günther Fishes 365 Numerous fissures radiating from the central mass of vasodentine.
1896Allbutt's Syst. Med. I. 344 When one lower limb was heated, *vaso-dilatation..and sweating were observed in the other lower limb.
1956Nature 18 Feb. 340/1 The well-known *vasodilating effect of an increased concentration of carbon dioxide. 1962in L. Kudrow Cluster Headache i. 9 Vasodilating headache: a suggestive classification. 1977Lancet 30 July 231/1 A drug such as isoprenaline with a cardiac stimulant and peripheral vasodilating action can improve tissue perfusion.
1908Practitioner Aug. 348 The tourniquet is then released, the affected members then become bright red, owing to a sudden *vasodilation. 1974M. C. Gerald Pharmacol. vi. 111 Beta-receptor activation causes a widening of small blood vessels (vasodilation).
1881Nature XXIII. 236 The nerves which act as *vaso-dilators on the mucous membrane of the buccal cavity.
1880Günther Fishes 155 At the bottom of this sac there is a small *vaso-ganglion,..by which the urine is secreted.
1882Nature XXVI. 411 Nerves..which, when stimulated, occasion..the dilatation of arteries—the so-called ‘*vaso-inhibitory’ or ‘vaso-dilator’ nerves.
1926W. N. Berkeley Princ. & Pract. Endocrine Med. ix. 299 Vasectomy or *vasoligation in old men is said..to cause atrophy of the sperm mechanism of the testis. 1932C. R. Moore in E. Allen Sex & Internal Secretions vii. 314 There is no acceptable evidence that vasectomy or vasoligation has any rejuvenating effect. 1973Washington Post 13 Jan. a–8/4 The experiments involved the use of the vasectomy technique, or a closely related one called ‘vasoligation’, to close off the two tiny ducts that carry the male spermatozoa.
1865Intell. Observ. No. 47. 390 Excitation of *vaso-motive action.
1902Buck's Handbk. Med. Sci. (rev. ed.) V. 74/1 Sedation of maniacal excitement and relaxation of *vaso⁓spasm in melancholic stupor are better accomplished by warm than cold baths. 1977Lancet 14 May 1039/2 Workers with vibrating hand tools, such as pneumatic drills and chain saws, are at risk of episodic vasospasm, particularly when the vibration is associated with cold exposure.
1932Glasgow Med. Jrnl. CXVIII. 146 Promising results have been obtained in certain cases of scleroderma in which a *vasospastic element is present. 1980Brit. Med. Jrnl. 18 Oct. 1033/2 The results..indicate that prostaglandin E1 given by central venous infusion is a safe and effective method of treating severe vasospastic disease.
1907W. R. Gowers Border-Land of Epilepsy ii. 18 When the vaso-motor spasm preponderates, the case may seem to differ from the type more than it really does. Such cases may be termed ‘*vaso-vagal’. 1974R. M. Kirk et al. Surgery iii. 41/2 Vasovagal..shock, and fainting caused by an emotional crisis, produce marked dilation of vessels in the muscles, reducing circulatory blood volume. 1976Nature 27 May 334/2 Some had a frank vasovagal reaction with yawning, bradycardia and pallor and could not continue the test procedure.
1949New Gould Med. Dict. 1119/1 *Vasovasostomy. 1957Jrnl. Urol. LXXVIII. 79 For this study vasovasostomy, rather than epididymovasostomy was chosen. 1982Jrnl. Andrology III. 21/2 Seven patients undergoing vasovasostomy for reversal of male sterility secondary to vasectomy.
Add: vasoˈformative a. [a. Fr. (L. Ranvier 1874, in Archives de Physiologie Normale et Pathologique I. 434)], forming vessels.
1876Q. Jrnl. Microsc. Sci. XVI. 246 M. Ranvier describes in the omentum a network of cells which are destined to form new capillary vessels. He therefore designates them ‘*vaso-formative cells’. 1880Jrnl. R. Microsc. Soc. 582 ‘Vasoformative’ cells. 1931J. E. Frazer Man. Embryol. vii. 63 The vaso-formative cells in the body of the embryo..begin to lay down a simple system of paired channels, which..render possible some sort of circulation. 1976Nature 29 July 348/3 The tumours formed are ‘vasoformative sarcomas’.., so it seems that these cells are not fibroblasts but arise from endothelial tissue.
vasoˈmotion, constriction or dilatation of the blood-vessels.
1900Dorland Med. Dict., *Vasomotion. 1944Amer. Jrnl. Anat. LXXV. 188 The predominance of the dilator-phases of the vasomotion..occurs when the tissue is tending to become hyperemic. 1989Lancet 1 Apr. 737/2 The result is abnormal vasomotion and uneven distribution of blood flow. |