| microcosmography | Description of man as a microcosm. Origin: Microcosm. Source: Websters Dictionary (01 Mar 1998) |
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| microcoulomb | <physics> A measure of electrical quantity; the millionth part of one coulomb. Origin: Micro- + coulomb. Source: Websters Dictionary (01 Mar 1998) |
| microcoustic | Pertaining, or suited, to the audition of small sounds; fitted to assist hearing. Origin: Micro- + acoustic: cf. F. Microcoustique, micracoustique. An instrument for making faint sounds audible, as to a partially deaf person. Source: Websters Dictionary (01 Mar 1998) |
| microcrith | <chemistry> The weight of the half hydrogen molecule, or of the hydrogen atom, taken as the standard in comparing the atomic weights of the elements; thus, an atom of oxygen weighs sixteen microcriths. See Crith. Origin: Micro- + crith. Source: Websters Dictionary (01 Mar 1998) |
| microcrystalline | <chemistry> Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline. Origin: Micro- + crystalline. Source: Websters Dictionary (01 Mar 1998) |
| microcrystalline cellulose | Purified, partially depolymerised cellulose, prepared by treating alpha-cellulose, obtained as a pulp from fibrous plant material, with mineral acids; used as a tablet diluent. (05 Mar 2000) |
| microcurie | One-millionth of a curie; a quantity of any radionuclide with 3.7 × 104 disintegrations per second. (05 Mar 2000) |
| microcyst | A cyst that is too small to be felt but may be observed on mammography or ultrasound screening. (09 Oct 1997) |
| microcystic adenoma of pancreas | <radiology> Benign tumour of pancreas, M:F = 1:4, peak age 69 years of age, tiny cysts filled with GLYCOGEN, not mucin, large (ca. 10 cm), innumerable small cysts (1mm - 20mm), central stellate scar with or without calcification, hypervascular, head = body = tail, ** associated with von Hippel-Lindau syndrome, Cf: macrocystic adenoma, alias mucinous cystic neoplasm (12 Dec 1998) |
| microcystic disease of renal medulla | Presence of small cysts in the renal medulla associated with anaemia, sodium depletion, and chronic renal failure. It is of two types: 1) fatal autosomal recessive or juvenile type (also called familial juvenile nephrophthisis), beginning at about age 10 with an average duration of 6 to 8 years; 2) autosomal dominant or adult type, beginning at about age 30 but with a more fulminant course. Synonym: microcystic disease of renal medulla. (05 Mar 2000) |
| microcystic epithelial dystrophy | Bilateral, symmetrical intraepithelial cysts in the central area of the cornea of healthy women, without hereditary predisposition. (05 Mar 2000) |
| microcyte | Abnormally small red blood cells, found in some types of anaemia. (18 Nov 1997) |
| microcythemia | The presence of many microcytes in the circulating blood. Synonym: microcytosis. Origin: microcyte + G. Haima, blood (05 Mar 2000) |
| microcytic anaemia | Any anaemia in which the average size of circulating erythrocytes is smaller than normal, i.e., the mean corpuscular volume is 80 cu um or less (normal range, 82 to 92 cu um). (05 Mar 2000) |
| microcytosis | Synonym: microcythemia. Origin: microcyte + G. -osis, condition (05 Mar 2000) |