FAB

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Fab

 (fragment, antigen-binding)
originally, either of two identical fragments, each containing an antigen combining site, obtained by papain cleavage of the IgG molecule; now generally used as an adjective in terms such as Fab fragment or region, referring to an “arm” of any immunoglobulin monomer, i.e., one light chain and the adjoining heavy chain VH and CH1 domains.
digoxin immune Fab (ovine) a preparation of antigen-binding fragments derived from specific antidigoxin antibodies produced in sheep that have been immunized with digoxin coupled as a hapten to human serum albumin, used as an antidote to life-threatening digoxin and digitoxin overdose; administered intravenously.

FAB

Abbreviation for French-American-British (classification of acute leukemias). See: FAB classification.

alcopop

A popular term for any of the alternative beverages that were formulated in response to an increase in the US federal wine tax in the early 1990s. The spirits industry responded by moving away from wine coolers to malt-based alcoholic beverages including "hard" lemonades and fruit coolers and drinks.

FANCB

A gene on chromosome Xp22.2 that encodes a protein of the Fanconi anaemia complementation group (here, complementation group B), the members of which are related not by sequence similarity, but rather by their assembly into a common nuclear protein complex.

FAB

Abbreviation for French-American-British classification system.

fab

The monovalent antigen-binding fragment of an antibody molecule obtained when the protein is digested with the enzyme papain. It consists of an intact light chain and the immediately-associated terminal and domains of a heavy chain.
References in periodicals archive ?
I'd love to rave on about how fabby and great it was to spend an evening with some of the most wonderful men and women this country has ever produced.
Fabby lightweight cases come in three sizes, starting price, pounds 119, stockists 01895 855755 or www.samsonite.com
Back to New York after some topless sunbathing and midnight swims, Serena is ready to start over with a fabby New Year's Eve party that is sure to catch some kind of action.
Fabby in the race to replace outgoing House Appropriations Chairman Jim Pitts.
Downtown Fabby Lose yourself in the heady array of lakeside restaurants, bars, shops, cinemas and shows in Downtown Disney off Buena Vista Drive.
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Sort out your new fabby styles and chuck out the chaff.
HATS off to a great outfit - from the Country Casual spring range, pretty sweet pea top, pounds 49, floral print skirt, pounds 89 and fabby hat, pounds 85 from department stores.
THISTLE DO: Rae hits home; DON IN: Novo gets second; EQUALISER: Nacho Novo; FABBY SCORER: Caballero; HEADING FOR THE FINAL: Nemsadze scores the vital goal and sinks Caley's hopes; THE TIDE TURNS: Mols heads home to kickstart Rangers' fightback against Motherwell
This will come as a shock if you're still getting to grips with your fabby new cassette player, but cassettes and CDs are now in the automotive dark ages.
As a matter of fact, a few of the Supply Corps officers serving in Iraq are on their second tour, such as LCDR Rick Fabby who shared his personal feeling on the myth.