| machine, heart-lung | A machine that does the work both of the heart (pump blood) and the lungs (oxygenate the blood). Used, for example, in open heart surgery. Blood returning to the heart is diverted through the machine before returning it to the arterial circulation. Also called a pump-oxygenator. (12 Dec 1998) |
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| machinery murmur | The long "continuous" rumbling murmur of patent ductus arteriosus. (05 Mar 2000) |
| macho | <zoology> The striped mullet of California (Mugil cephalus, or Mexicanus). Origin: Sp. Source: Websters Dictionary (01 Mar 1998) |
| Machupo virus | <virology> A member of the Arenaviridae that may cause a severe haemorrhagic fever in humans. The natural hosts are rodents and transmission from human to human is not common. (18 Nov 1997) |
| Mackay, R Stuart | <person> U.S. Physicist, *1924. See: Mackay-Marg tonometer. (05 Mar 2000) |
| Mackay-Marg tonometer | A recording electronic applanation tonometer. (05 Mar 2000) |
| Mackenrodt's ligament | <anatomy> A fibrous band attached to the uterine cervix and the vault of the lateral fornix of the vagina; continuous with the tissue ensheathing the pelvic vessels. Synonym: cervical ligament of uterus, ligamentum transversale colli, Mackenrodt's ligament. (05 Mar 2000) |
| Mackenrodt, Alwin | <person> German gynecologist, 1859-1925. See: Mackenrodt's ligament. (05 Mar 2000) |
| Mackenzie's amputation | A modification of Syme's amputation at the ankle joint, the flap being taken from the inner side. (05 Mar 2000) |
| Mackenzie, Richard | <person> Scottish surgeon, 1821-1854. See: Mackenzie's amputation. (05 Mar 2000) |
| Mackenzie, Sir James | <person> Scottish physician practicing in London, 1853-1925. See: Mackenzie's polygraph. (05 Mar 2000) |
| mackerel | <zoology> Any species of the genus Scomber, and of several related genera. They are finely formed and very active oceanic fishes. most of them are highly prized for food. The common mackerel (Scomber scombrus), which inhabits both sides of the North Atlantic, is one of the most important food fishes. It is mottled with green and blue. The Spanish mackerel (Scomberomorus maculatus), of the American coast, is covered with bright yellow circular spots. Bull mackerel, Chub mackerel. The porbeagle. Mackerel sky, or Mackerel-back sky, a sky flecked with small white clouds; a cirro-cumulus. See Cloud. "Mackerel sky and mare's-tails Make tall ships carry low sails." (Old Rhyme) Origin: OF. Maquerel, F. Maquereau (LL. Macarellus), prob. For maclereau, fr. L. Macula a spot, in allusion to the markings on the fish. See Mail armor. Source: Websters Dictionary (01 Mar 1998) |
| MacLachlan, Elsie | <person> 20th century researcher. See: Lowe-Terrey-MacLachlan syndrome. (05 Mar 2000) |
| Maclagan's test | Precipitation of abnormal proportions of albumin and globulin from the serum of patients with liver disease by addition of thymol. Although popular in the past it has been superseded by quantitative determination of specific proteins and direct measurement of liver enzymes. Synonym: Maclagan's test, Maclagan's thymol turbidity test. (05 Mar 2000) |
| Maclagan's thymol turbidity test | Precipitation of abnormal proportions of albumin and globulin from the serum of patients with liver disease by addition of thymol. Although popular in the past it has been superseded by quantitative determination of specific proteins and direct measurement of liver enzymes. Synonym: Maclagan's test, Maclagan's thymol turbidity test. (05 Mar 2000) |