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(cell and molecular biology)
A micronucleus within a layer of cytoplasm and a membrane.
microcell(1) A geographic area covered by a cellular carrier, generally no more than a mile and a half in diameter. Microcells are used in cities and other densely populated venues. The smaller "picocell" reaches approximately 600 feet, whereas the traditional high-power "macrocell" tower can cover an area as large as 20 miles in diameter or more. See cellphone.
(2) (MicroCell) An indoor cellular tower from AT&T. See femtocell.