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map |
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mapDiagrammatic representation of an area, for example part of the Earth's surface or the distribution of the stars. Modern maps of the Earth are made using satellites in low orbit to take a series of overlapping stereoscopic photographs from which a three-dimensional image can be prepared. The earliest accurate large-scale maps appeared about 1580 (see atlas). Conventional aerial photography, laser beams, microwaves, and infrared equipment are also used for land surveying. Many different kinds of map projection (the means by which a three-dimensional body is shown in two dimensions) are used in map-making. Detailed maps requiring constant updating are kept in digital form on computer so that minor revisions can be made without redrafting. |
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| Thyroid gene expression analyses using Affymetrix U34A GeneChips, a regularized t-test, and Gene Map Annotator and Pathway Profiler demonstrated significant changes in rhodopsin-like G-protein-coupled receptor transcripts from all chemicals tested. ``The human gene map will speed the discovery of genes contributing to common diseases such as obesity, heart disease, cancer, diabetes, asthma, multiple sclerosis and psychiatric disorders,'' said Dr. These resources include gene maps, sequences, and annotation projects. |
gene map
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