| Fab | <immunology> Fragment of immunoglobulin prepared by papain treatment. Fab fragments (45 kD) consist of one light chain linked through a disulphide bond to a portion of the heavy chain and contain one antigen binding site. They can be considered as univalent antibodies. (18 Nov 1997) |
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| FAB classification | <haematology> The classification of acute myeloid leukaemia on the basis of bone marrow and peripheral blood features. M0: Acute myeloid leukaemia with minimal evidence of myeloid differentiation. M1: Acute myeloblastic leukaemia. M2: Acute myeloblastic leukaemia with differentiation. M3: Acute promyelocytic leukaemia. M4: Acute myelomonocytic leukaemia. M5: Acute monocytic leukaemia. M6: Acute erythroleukaemia. M7: Acute megakaryocytic leukaemia. Acronym: FAB (07 Apr 1998) |
| Fab fragment | The antigen-binding fragment of an immunoglobulin molecule, consisting of both a light chain and part of a heavy chain. Synonym: Fab piece. (05 Mar 2000) |
| Fab piece | The antigen-binding fragment of an immunoglobulin molecule, consisting of both a light chain and part of a heavy chain. Synonym: Fab piece. (05 Mar 2000) |
| fabavirus | A genus of the family comoviridae with a wide host range among dicotyledons and some monocotyledons. They are transmitted nonpersistently by aphids. The type species is broad bean wilt virus 1. (12 Dec 1998) |
| fabella | <anatomy> One of the small sesamoid bones situated behind the condyles of the femur, in some mammals. Source: Websters Dictionary Origin: NL, dim. Of L. Faba a bean. (01 Mar 1998) |
| Faber's anaemia | A form of chronic hypochromic microcytic anaemia associated with achlorhydria or achylia gastrica; observed most frequently in women in the third to fifth decades. Synonym: Faber's anaemia, Faber's syndrome. (05 Mar 2000) |
| Faber's syndrome | A form of chronic hypochromic microcytic anaemia associated with achlorhydria or achylia gastrica; observed most frequently in women in the third to fifth decades. Synonym: Faber's anaemia, Faber's syndrome. (05 Mar 2000) |
| Faber, Knud | <person> Danish physician, 1862-1956. See: Faber's anaemia, Faber's syndrome. (05 Mar 2000) |
| fabian | Of, pertaining to, or in the manner of, the Roman general, Quintus Fabius Maximus Verrucosus; cautious; dilatory; avoiding a decisive contest. Fabian policy, a policy like that of Fabius Maximus, who, by carefully avoiding decisive contests, foiled Hannibal, harassing his army by marches, countermarches, and ambuscades; a policy of delays and cautions. Origin: L. Fabianus, Fabius, belonging to Fabius. Source: Websters Dictionary (01 Mar 1998) |
| fabism | Synonym: favism. Origin: L. Faba, bean (05 Mar 2000) |
| fabric mulch | <botany> Polypropylene material placed on the ground around plants to prevent weed growth. (09 Oct 1997) |
| fabrication | <psychiatry> Telling false tales as true; e.g., the malingering of symptoms or illness or feigning an incorrect response or calculation during a psychological or mental status examination. Synonym: fabulation. (05 Mar 2000) |
| fabricatress | A woman who fabricates. Source: Websters Dictionary (01 Mar 1998) |
| Fabricius, Girolamo | <person> Italian anatomist and embryologist, 1537-1619. See: bursa fabricii, Fabricius' ship. (05 Mar 2000) |
| immunoglobulins, fab | Antigen-binding fragments composed of one entire light chain and about half of one of the heavy chains, linked to each other by disulfide bonds. Fab contains the antigen binding site which is part of the variable region of the immunoglobulin molecule. (12 Dec 1998) |
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