| micro- | 1. <prefix> A combining form signifying small, little, trivial, slight; as, microcosm, microscope. A millionth part of; as, microfarad, microohm, micrometer. 2. <physics> Metric prefix indicating 1/1,000,000th of a given quantity. For example, a microampere is 1/1,000,000th of an ampere. Origin: Gr. Small. (29 Oct 1998) |
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| micro-Astrup method | An interpolation technique for acid-base measurement, based on pH and the use of the Siggaard-Andersen nomogram to determine the base deficit as an expression of metabolic acidosis and the arterial PCO2 as an expression of respiratory acidosis or alkalosis. (05 Mar 2000) |
| micro-chemical | Of or pertaining to microchemistry; as, a micro-chemical test. Source: Websters Dictionary (01 Mar 1998) |
| micro-disc surgery | This describes a newer form of orthopaedic back surgery involving the insertion of a special hardware device through a small incision in the lower back. This form of surgery is indicated for those with intractable (unresponsive to medical therapy alone) disk disease of the lower spine (typically lumbar). The prolapsed disk is suction out of the back via a small tube inserted through the incision. (27 Sep 1997) |
| micro-geological | Of or pertaining to micro-geology. Source: Websters Dictionary (01 Mar 1998) |
| micro-geology | <study> The part of geology relating to structure and organisms which require to be studied with a microscope. Origin: Micro- + geology. Source: Websters Dictionary (01 Mar 1998) |
| micro-immunofluorescence | Several different substrates are arranged in specific locations on a single microscope slide well allowing a rapid, simultaneous indirect fluorescent antibody on each substrate. (05 Mar 2000) |
| micro-Kjeldahl method | A modification of the macro-Kjeldahl method designed for the analysis of nitrogenous compounds in relatively small quantities, e.g., specimens in which the total content of nitrogen is in the range of 1 to a few mg. (05 Mar 2000) |
| micro-ohm | <physics> The millionth part of an ohm. Origin: Micr- + ohm. Source: Websters Dictionary (01 Mar 1998) |
| microabscess | A very small circumscribed collection of leukocytes in solid tissues. (05 Mar 2000) |
| microadenoma | <tumour> A pituitary adenoma less than 10 mm in diameter. (05 Mar 2000) |
| microaerobion | A microaerophilic microorganism. (05 Mar 2000) |
| microaerophil | 1. An aerobic bacterium that requires oxygen, but less than is present in the air, and grows best under modified atmospheric conditions. 2. Relating to such an organism. Synonym: microaerophilic, microaerophilous. Origin: micro-+ G. Aer, air, + philos, fond (05 Mar 2000) |
| microaerophilic | <biology> Requiring oxygen but at a level lower than that typically found in the Earth's normal sea-level atmosphere. (29 Oct 1998) |
| microaerophilous | 1. An aerobic bacterium that requires oxygen, but less than is present in the air, and grows best under modified atmospheric conditions. 2. Relating to such an organism. Synonym: microaerophilic, microaerophilous. Origin: micro-+ G. Aer, air, + philos, fond (05 Mar 2000) |