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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.

blast

(blast),
General term for immature or precursor cell.
[G. blastos, germ]

BLAST

Basic Local Alignment Search Tool. A nucleic acid- and protein-sequence comparison algorithm which is used to find matches in gene sequences and to search sequence databases for optimal local alignments to a query sequence.

BLAST uses a heuristic algorithm, seeking local alignments and creating a matrix of similarity scores for all possible pairs of residues, defining high-scoring segments, statistically evaluating the significance of the results and detecting relationships among sequences which share only isolated regions of similarity.

blast

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

blast

(blast)
General term for immature or precursor cell.
[G. blastos, germ]

BLAST (Basic Local Alignment Search Tool)

a sequence comparison algorithm used to search DNA or PROTEIN databases. For example, BLASTN is used for homology searching to compare nucleotide sequences.

The query sequence is entered and compared with a nucleotide sequence database.

blast

(blast)
General term for immature or precursor cell.
[G. blastos, germ]
References in periodicals archive ?
football teams, including the 1999 state champions, has a highly creative coaching mind that he turns on at full blast in this defense against the popular Wing-T formation.
It's difficult to imagine how much more military spending the Administration might have proposed if the Cold War were still going full blast. During the 1992 Presidential campaign, Bill Clinton denounced George Bush - quite properly - for failing to recognize that the Cold War was over.
" Delos Santos said they will kick off their training on May 21 then go full blast after the All-Filipino Conference in August.Also in the 20-woman pool are stalwarts Jaja Santiago, Dindin Manabat, Alyssa Valdez, Jia Morado, Kalei Mau, Alohi Robins-Hardy and MJ Philips.
He also divulged that one of the companies under the group, Macroasia, will be going into 'full blast' next year.
The "FIGBA National Bakbakan 12-Stag Derby," an annual stagfest with a nationwide following, goes full blast this week with 23 elimination rounds in Luzon, Visayas and Mindanao.
But if the Bulls beat the Celtics tonight to move to within one game of knocking out the Eastern Conference No.1 seed, the intensity will hit full blast - the Bulls are the No.8 seeds bidding for a huge upset here.
The game at the Stade Velodrome in Marseille is expected to be played in sweltering heat and two-time winners Munster have had the radiators on full blast this week.
On July 19, the city broke its nearly two-year-old record for electric usage as air conditioners and fans went full blast against what felt like triple-digit temperatures.
I had forgotten totally of the impending festival of retailers delight, until I wandered into a Huddersfield town centre store and got the full blast of Bing Crosby''s seasonal goodwill.
THE UK's only Green MP has criticised Parliament for leaving radiators on full blast, rejecting recycled paper for Christmas cards and using bottled water.
Kitchen chairs are carried out onto the long path, Hank Williams, Hey Good Lookin' turned up, full blast, or Kay Starr's Rock 'n' Roll Waltz.