blast

blast (blast)

1. an immature stage in cellular development before appearance of the definitive characteristics of the cell; used also as a word termination (see -blast ).

2. blast cell (2).

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blast (blast) the wave of air pressure produced by the detonation of high-explosive bombs or shells or by other explosions; it causes pulmonary concussion and hemorrhage (lung blast, blast chest), laceration of other thoracic and abdominal viscera, ruptured eardrums, and minor effects in the central nervous system.

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blast,

1 a primitive cell, such as an embryonic germ cell.

2 a cell capable of building tissue, such as an osteoblast in growing bone.

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Blast

Drug slang verb A regionally popular verb meaning to smoke marijuana or crack
Embryology noun A suffix in biology for a primitive growth or formation—e.g., epiblast, mesoblast
Haematology noun A general term for an immature cell in the bone marrow’s proliferative compartment, and the earliest identifiable precursor of a cell line—erythroblast, lymphoblast, megakaryoblast, myeloblast; BCs are large—15–20 µm—have high N:C ratios, nuclei with fine, lacy to granular chromatin that contain one or more prominent nucleoli, basophilic, agranular cytoplasm, and abundant RNA, and actively synthesize DNA; BCs represent up to 5% of BM cells
Public health noun An explosion that may cause direct injury and burns or indirect injury due to flying objects and pressure

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blast [blast]

1. 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.

2. 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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blast

1. an immature stage in cellular development before appearance of the definitive characteristics of the cell; used also as a word termination, as in ameloblast, etc.

2. 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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blast cells

the precursor cells of bone marrow. See also myeloblast, monoblast, erythroblast, megakaryoblast.

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blast

noun Hematology A general term for a primitive blood cell. See Blast cell, Blast crisis.