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blast
(blast)
an immature stage in cellular development before appearance of the definitive characteristics of the cell; used also as a
word termination, as in ameloblast and trophoblast.
blast cell.
the wave of air pressure produced by the detonation of high-explosive bombs or shells or by other explosions; it causes pulmonary
damage and hemorrhage (lung blast, blast chest), laceration of other thoracic and abdominal viscera, ruptured eardrums, and
effects in the central nervous system.

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