- cardiac m. a method by which local cardiac potentials are spatially depicted in an integrated manner as a function of time (isochrone map) or potential (isopotential map).
- chromosome m. the process of determining the position of loci on specific chromosomes and constructing a diagram of each chromosome showing the relative positions of loci; techniques include family studies with linkage analysis, somatic cell hybridization, and chromosome deletion m..
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map·ping (mapґing) the creation on a flat surface of a representation of an area, showing the relative positions of various features. See also entries under map.Medical dictionary. 2011.