| macrocolon | A sigmoid colon of unusual length; a variety of megacolon. (05 Mar 2000) |
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| macroconidium | 1. A conidium, or exospore, of large size. 2. In fungi, the larger of two distinctively different-sized types of conidia in a single species, thick-or thin-walled and composed of 2 to 10 cells; characteristic of most dermatophytes and some other genera e.g., Histoplasma, Fusarium. Origin: macro-+ Mod. L. Dim. Fr. G. Konis, dust (05 Mar 2000) |
| macrocornea | An abnormally large cornea. (05 Mar 2000) |
| macrocosm | The great world; that part of the universe which is exterior to man; contrasted with microcosm, or man. See Microcosm. Origin: Macro- + Gr. The world: cf. F. Macrocosme. Source: Websters Dictionary (01 Mar 1998) |
| macrocranium | An enlarged skull, especially the bones containing the brain, as seen in hydrocephalus; the face appears relatively small in comparison. (05 Mar 2000) |
| macrocryoglobulin | A macroglobulin that has the properties of a cryoglobulin. (05 Mar 2000) |
| macrocryoglobulinaemia | The presence of cold-precipitating macroglobulins in the peripheral blood; such macrocryoglobulins are often called cold haemagglutinins. (05 Mar 2000) |
| macrocyst | <clinical sign> A cyst that is large enough to be felt with the fingers. (22 Jan 1998) |
| macrocystis | <botany> An immensely long blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels. Origin: NL. See Macro-, and Cyst. Source: Websters Dictionary (01 Mar 1998) |
| macrocytase | According to Metchnikoff, a cytase or complement, formed by the large uninuclear leukocytes, which is effective in the destruction of tissue cells, blood cells, etc. (05 Mar 2000) |
| macrocyte | <haematology> Abnormally large red blood cell, numerous in pernicious anaemia. (27 Jan 1998) |
| macrocythemia | The occurrence of unusually large numbers of macrocytes in the circulating blood. Synonym: macrocytosis, megalocythemia, megalocytosis. Origin: macrocyte + G. Haima, blood Hyperchromatic macrocythemia, an inexact term frequently used for macrocytes that contain an unusually large amount of haemoglobin, but are actually normochromic; although the total mass of haemoglobin is greater than normal (owing to the large cells), the percentage of haemoglobin in the cells is not greater than normal. (05 Mar 2000) |
| macrocytic | Enlarged red blood cells (RBCs). Folic acid deficiency is one cause of macrocytic anaemia. (12 Dec 1998) |
| macrocytic achylic anaemia | <haematology> A form of anaemia (low red blood cell counts) that results when the bone marrow fails to produce adequate numbers of red blood cells due to a deficiency in vitamin B12. Intrinsic factor, necessary for normal B12 absorption, may be the underlying cause for B12 deficiency if is not produced in the gastric glands (in the stomach). Origin: Gr. Haima = blood (27 Sep 1997) |
| macrocytic anaemia | Any anaemia in which the average size of circulating erythrocytes is greater than normal, i.e., the mean corpuscular volume is 94 cu um or more (normal range, 82 to 92 cu um), including such syndromes as pernicious anaemia, sprue, coeliac disease, macrocytic anaemia of pregnancy, anaemia of diphyllobothriasis, and others. Synonym: megalocytic anaemia. (05 Mar 2000) |
| macrospore |
megaspore: larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
출처: wordnet.princeton.edu/perl/webwn
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| Machupo virus |
an arenavirus of the Tacaribe complex that is the etiologic agent of Bolivian hemorrhagic fever, transmitted by contact with infected rodents of the species Calomys callosus. Called also Bolivian hemorrhagic fever v.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| machinery murmur |
a loud, rumbling, continuous murmur named for its sound, such as occurs in patent ductus arteriosus.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| macronodular cirrhosis |
cirrhosis of the liver that follows subacute hepatic necrosis due to toxic or viral hepatitis. The reticulin framework of normal lobules collapses and may be replaced by broad bands of fibrous tissue separating regeneration nodules of various sizes. Called also multilobular c., periportal c., postnecrotic c., and toxic c.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| macroreentrant circuit |
a reentry pathway involving the bundle branches of the conduction system of the heart.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| MAC | turn, shape, mold, or otherwise finish by machinery |
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| MAC | a bolt with a square or hexagonal head on one end and a threaded shaft on the other end |
| MAC | a set of instructions coded so that the computer can use it directly without further translation |
| MAC | a rapidly firing automatic gun (often mounted) |
| MAC | shoot with a machine gun |
| MAC | a serviceman in the artillery |
| MAC | a set of instructions coded so that the computer can use it directly without further translation |
| MAC | a programming language designed for use on a specific class of computers |
| MAC | an elementary operation that a computer is designed and built to perform |
| MAC | a fully automatic pistol |
| MAC | a politician who belongs to a small clique that controls a political party for private rather than public ends |
| MAC | (computer science) suitable for feeding directly into a computer |