| marked foetal bradycardia | A foetal heart rate less than 100 beats per minute. (05 Mar 2000) |
|---|---|
| marker | An identifiable physical location on a chromosome (for example, restriction enzyme cuttingsite, gene) whose inheritance can bemonitored. Markers can beexpressed regions of DNA (genes) or some segment of DNA with no knowncoding function but whose pattern of inheritance can be determined. See: restriction fragment length polymorphism. (09 Oct 1997) |
| marker chromosome | An abnormal chromosome that is distinctive in appearance but not fully identified. For example, the fragile x chromosome was once called the marker x. (12 Dec 1998) |
| marker enzyme | <enzyme> An enzyme that is used to identify a specific cell type, cell organelle, or cell component. (05 Mar 2000) |
| marker gene | Gene that confers some readily detectable phenotype on cells carrying the gene, either in culture or in transgenic or chimeric organisms. Gene could be an enzymic reporter gene, a selectable marker conferring antibiotic resistance or a cell membrane protein with a characteristic epitope. (18 Nov 1997) |
| marker locus | A locus on a chromosome or in a stretch of DNA that can be identified (e.g., a restriction fragment length polymorphism) and can serve in linkage analysis and in the isolation of a disease gene. See: linkage marker. (05 Mar 2000) |
| marker trait | A trait that may be of little importance in itself but which by association, linkage, or other means facilitates the detection, anticipation, or understanding of a disease or (for genetic diseases) the localization of the causative gene on the karyotype. (05 Mar 2000) |
| marker, object | <microscopy> A small abrasive stylus, set in a rotating holder mounted on the lower end of the drawtube. The desired part of the specimen is placed in the centre of the field, and the abrasive point is pressed against the slide or cover, and rotated. It describes a tiny circle around the desired object field. (05 Aug 1998) |
| market | 1. A meeting together of people, at a stated time and place, for the purpose of traffic (as in cattle, provisions, wares, etc) by private purchase and sale, and not by auction; as, a market is held in the town every week. "He is wit's peddler; and retails his wares At wakes, and wassails, meetings, markets, fairs." (Shak) "Three women and a goose make a market." (Old Saying) 2. A public place (as an open space in a town) or a large building, where a market is held; a market place or market house; especially, a place where provisions are sold. "There is at Jerusalem by the sheep market a pool." (John v. 2) 3. An opportunity for selling anything; demand, as shown by price offered or obtainable; a town, region, or country, where the demand exists; as, to find a market for one's wares; there is no market for woolen cloths in that region; India is a market for English goods. "There is a third thing to be considered: how a market can be created for produce, or how production can be limited to the capacities of the market." (J. S. Mill) 4. Exchange, or purchase and sale; traffic; as, a dull market; a slow market. 5. The price for which a thing is sold in a market; market price. Hence: Value; worth. "What is a man if his chief good and market of his time Be but to sleep and feed ?" (Shak) 6. The privelege granted to a town of having a public market. Market is often used adjectively, or in forming compounds of obvious meaning; as, market basket, market day, market folk, market house, marketman, market place, market price, market rate, market wagon, market woman, and the like. Market beater, a swaggering bully; a noisy braggart. Market bell, a bell rung to give notice that buying and selling in a market may begin. Market cross, a cross set up where a market is held. Market garden, a garden in which vegetables are raised for market. Market gardening, the raising of vegetables for market. Market place, an open square or place in a town where markets or public sales are held. Market town, a town that has the privilege of a stated public market. Origin: Akin to D. Markt, OHG. Markat, merkat, G. Markt; all fr.L. Mercatus trade, market place, fr. Mercari, p. P. Mercatus, to trade, traffic, merx, mercis, ware, merchandise, prob. Akin to merere to deserve, gain, acquire: cf. F. Marche. See Merit, and cf. Merchant, Mart. To deal in a market; to buy or sell; to make bargains for provisions or goods. Origin: Marketed; Marketing. Source: Websters Dictionary (01 Mar 1998) |
| marketable | 1. Fit to be offered for sale in a market; such as may be justly and lawfully sold; as, dacaye provisions are not marketable. 2. Current in market; as, marketable value. 3. Wanted by purchasers; salable; as, furs are not marketable in that country. Source: Websters Dictionary (01 Mar 1998) |
| marketing of health services | Application of marketing principles and techniques to maximise the use of health care resources. (12 Dec 1998) |
| markhoor | <zoology> A large wild goat (Capra megaceros), having huge flattened spiral horns. It inhabits the mountains of Northern India and Cashmere. Origin: Per. Mar-khr snake eater. Source: Websters Dictionary (01 Mar 1998) |
| marking | The act of one who, or that which, marks; the mark or marks made; arrangement or disposition of marks or colouring; as, the marking of a bird's plumage. Marking ink, indelible ink, because used in marking linen. <botany> Marking nut, the nut of the Semecarpus Anacardium, an East Indian tree. The shell of the nut yields a blackish resinous juice used for marking cotton cloth, and an oil prepared from it is used for rheumatism. Source: Websters Dictionary (01 Mar 1998) |
| markov chains | A stochastic process such that the conditional probability distribution for a state at any future instant, given the present state, is unaffected by any additional knowledge of the past history of the system. (12 Dec 1998) |
| Markov process | A stochastic process in which the probability of an event in the future is not affected by the past history of events. (18 Nov 1997) |