fragment

fragment
A small part broken from a larger entity.
- acentric f. SYN: acentric chromosome.
- Brimacombe f. a ribonucleoprotein f. obtained by mild ribonuclease treatment of ribosomes.
- butterfly f. a broad triangular f. that is commonly present in comminuted fractures of the diaphysis.
- Fab f. the antigen-binding f. of an immunoglobulin molecule, consisting of both a light chain and part of a heavy chain. SYN: Fab piece.
- Fc f. the crystallizable f. of an immunoglobulin molecule composed of part of the heavy chains and responsible for binding to antibody receptors (Fc receptor) on cells and the Clq component of complement. SYN: Fc piece.
- Klenow f. carboxyl terminal f. of DNA polymerase I, contains polymerase as well as 3′ → 5′ exonuclease activity to edit out mismatches.
- Okazaki f. a relatively short (100–2000 bp in Escherichia coli and 100–200 bp in mammals) f. of DNA that is later joined by DNA ligase to allow for 3′ → 5′ overall chain growth during replication.
- one-carbon f. the formyl group or the methyl group that takes part in transformylation or transmethylation reactions; by means of these reactions, a group containing a single carbon atom is added to a compound being biosynthesized, adding a methyl group (as in thymidine formation), adding a hydroxymethyl group (as in serine biosynthesis), or closing a ring (as in purine formation).
- two-carbon f. the acetyl group (CH3CO–) that takes part in transacetylation reactions with coenzyme A as carrier; commonly referred to as acetate or acetic acid, from which it is derived.

* * *

frag·ment 'frag-mənt n a part broken off or detached

* * *

frag·ment (fragґmənt) one of the small pieces into which a larger entity has been broken.

Medical dictionary. 2011.

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  • Fragment — Fragment …   Deutsch Wörterbuch

  • fragment — [ fragmɑ̃ ] n. m. • v. 1500; frament v. 1250; lat. fragmentum 1 ♦ Morceau d une chose qui a été cassée, brisée. ⇒ bout, brisure, débris, éclat, miette, morceau; région. brique. Les fragments d un vase, d une statue antique. Fragment de roche.… …   Encyclopédie Universelle

  • fragment — FRAGMÉNT, fragmente, s.n. Bucată, parte, frântură, fracţiune dintr un tot; parte izolată dintr o scriere sau rest dintr o operă pierdută ori neterminată. – Din fr. fragment, lat. fragmentum. Trimis de zaraza joe, 28.03.2009. Sursa: DEX 98 … …   Dicționar Român

  • Fragment — Sn std. (16. Jh.) Entlehnung. Entlehnt aus l. frāgmentum, einer Ableitung von l. frangere (frāctum) brechen . Ersatzwort ist Bruchstück. Adjektiv: fragmentarisch; Abstraktum: Fraktion.    Ebenso nndl. fragment, ne. fragment, nfrz. fragment, ndn.… …   Etymologisches Wörterbuch der deutschen sprache

  • fragment — fràgment m <G mn nātā> DEFINICIJA 1. dio koji je otkinut, odlomljen ili razbijen [fragment vaze]; ulomak 2. a. ulomak, dio literarnog, glazbenog djela, slike, skulpture i sl. promatran kao izdvojena cjelina [ovaj fragment knjige neobično je …   Hrvatski jezični portal

  • fragment — {{/stl 13}}{{stl 8}}rz. mnż I, D. u, Mc. fragmentncie {{/stl 8}}{{stl 20}} {{/stl 20}}{{stl 12}}1. {{/stl 12}}{{stl 7}} wyodrębniona część większej całości, np. jakiegoś obiektu, rzadziej procesu; urywek, wycinek, wyjątek : {{/stl 7}}{{stl… …   Langenscheidt Polski wyjaśnień

  • Fragment — Frag ment, n. [L. fragmentum, fr. frangere to break: cf. F. fragment. See {Break}, v. t.] A part broken off; a small, detached portion; an imperfect part; as, a fragment of an ancient writing. [1913 Webster] Gather up the fragments that remain.… …   The Collaborative International Dictionary of English

  • Fragment — may refer to:*Fragment (computer graphics), all the data necessary to generate a pixel in the frame buffer *Language fragment, a subset of the group of proper sentences of a language * Fragments (Torchwood), an episode from the BBC TV series *… …   Wikipedia

  • Fragment — (lat. frangere brechen, frāgmentum, ‘(Bruch)Stück’, ‘Überbleibsel‘), teils auch deutsch Bruchstück, bezeichnet: in der Bildenden Kunst für eine unvollständige Plastik, ein Non finito in der Kunstgeschichte für ein nicht mehr vollständig… …   Deutsch Wikipedia

  • fragment — [n] part, chip ace, atom, bit, bite, chunk, crumb, cut, end, fraction, gob*, grain, hunk, iota, job*, lump*, minim, morsel, particle, piece, portion, remnant, scrap, share, shiver, shred, slice, sliver, smithereen*; concept 835 Ant. entirety,… …   New thesaurus

  • fragment — Fragment. s. m. Morceau de quelque chose qui a esté cassé, brisé. Il ne se dit guere que des choses considerables, par leur prix, par leur rareté. Les fragments d un vase precieux, d une statuë. antique, d une colomne, d une inscription. Il se… …   Dictionnaire de l'Académie française

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