focal area

focal area
(in dialect geography) an area whose dialect has exerted influence on the dialects of surrounding areas, as reflected in a set of isoglosses more or less concentrically surrounding it. Cf. relic area, transition area.

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Universalium. 2010.

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  • focal adhesions — Areas of close apposition, and thus presumably anchorage points, of the plasma membrane of a fibroblast (for example) to the substratum over which it is moving. Usually 1 x 0.2 m m with the long axis parallel to the direction of movement; always… …   Dictionary of molecular biology

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