| megalocytic 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) |
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| megalocytosis | 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) |
| megalodactylia | Condition characterised by enlargement of one or more digits (fingers or toes). Synonym: dactylomegaly, macrodactylia, macrodactylism, macrodactyly, megalodactylia, megalodactylism, megalodactyly. Origin: mega-+ G. Daktylos, digit (05 Mar 2000) |
| megalodont | <zoology> Having large teeth. A macrodont animal. Origin: Macro- + Gr, a tooth. Source: Websters Dictionary (01 Mar 1998) |
| megalodontia | Macrodontism The state of having abnormally large teeth. Synonym: megadontism, megalodontia. (05 Mar 2000) |
| megaloencephalic | Denoting an abnormally large brain. (05 Mar 2000) |
| megaloencephalon | An abnormally large brain. Synonym: macroencephalon. Origin: megalo-+ G. Enkephalos, brain (05 Mar 2000) |
| megaloencephaly | Abnormal largeness of the brain. Origin: megalo-+ G. Enkephalon, brain (05 Mar 2000) |
| megaloenteron | Abnormal largeness of the intestine. Synonym: enteromegaly, enteromegalia. Origin: megalo-+ G. Enteron, intestine (05 Mar 2000) |
| megalogastria | Abnormally large size of the stomach. Synonym: macrogastria. Origin: megalo-+ G. Gaster, stomach (05 Mar 2000) |
| megaloglossia | Synonym: macroglossia. Origin: megalo-+ G. Glossa, tongue (05 Mar 2000) |
| megalographia | Rarely used term for writing with very large letters. Synonym: megalographia. Origin: macro-+ G. Grapho, to write (05 Mar 2000) |
| megalohepatia | <clinical sign> Enlargement of the liver. (18 Nov 1997) |
| megalokaryocyte | <haematology> Giant polyploid cell of bone marrow that gives rise to 3-4,000 platelets. (18 Nov 1997) |
| megalomania | <psychiatry> A mental condition where the patient is exhibits delusions of grandeur, patient has a greatly enhanced opinion of himself. (29 Oct 1998) |