| drummond light | A very intense light, produced by turning two streams of gas, one oxygen and the other hydrogen, or coal gas, in a state of ignition, upon a ball of lime; or a stream of oxygen gas through a flame of alcohol upon a ball or disk of lime; called also oxycalcium light, or lime light. The name is also applied sometimes to a heliostat, invented by Drummond, for rendering visible a distant point, as in geodetic surveying, by reflecting upon it a beam of light from the sun. Origin: From Thomas Drummond, a British naval officer. Source: Websters Dictionary (01 Mar 1998) |
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| Drummond's sign | <clinical sign> In certain cases of aortic aneurysm, a puffing sound, synchronous with cardiac systole, heard from the nostrils, when the mouth is closed. (05 Mar 2000) |
| Drummond, Sir David | <person> English physician, 1852-1932. See: artery of Drummond, Drummond's sign. (05 Mar 2000) |
| artery of Drummond | Artery formed by anastomoses between the right and left colic artery's; it passes downward from the left colic flexure to the aboral end of the pelvic colon. Synonym: artery of Drummond, Riolan's arc. (05 Mar 2000) |
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| marginal artery of drummond | <radiology> Formed by, right and left br. Of middle colic a., and left and right colic aa., runs along mesenteric border of colon, supplies vasa recta (12 Dec 1998) |