cross


cross
1. Any figure in the shape of a c. formed by two intersecting lines. SYN: crux. 2. SYN: crux of heart. 3. A method of hybridization or the hybrid so produced. [F. croix, L. crux]
- back c. the mating between an animal that is homozygous at a locus of interest and an animal that is heterozygous, commonly from the same ancestral stock.
- double back c. a mating that is a back c. at each of two loci of interest; of special value and importance in linkage analysis.
- hair crosses [TA] crosslike figures formed by hairs growing from two directions that meet and then separate in a direction perpendicular to the original orientation. SYN: cruces pilorum [TA].
- maltese c. a tetrad formation of the early ringlike parasites within the red blood cell seen in babesiosis.
- Ranvier crosses black or brown figures in the shape of a c., marking Ranvier nodes in the longitudinal section of a nerve stained with silver nitrate.
- test c. in experimental genetics, a deliberate mating designed to test claims about the pattern of inheritance of one or more traits.

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cross 'krȯs n
1) a device composed of an upright bar traversed by a horizontal one
2 a) an act of crossing dissimilar individuals
b) a crossbred individual or kind
cross vt to cause (an animal or plant) to interbreed with one of a different kind: HYBRIDIZE <the \crossing of two cattle breeds> vi INTERBREED, HYBRIDIZE

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(kros) [L. crux] 1. any figure or structure in the shape of a cross. 2. the production of progeny containing genetic information from two or more parents, as by mating between genetically different individuals, conjugation between microorganisms of different mating types, or recombination between viral particles of different genotypes. 3. the progeny derived from two or more parents of different genetic backgrounds.

Medical dictionary. 2011.

Synonyms:

Look at other dictionaries:

  • CROSS — {{{image}}}   Sigles d une seule lettre   Sigles de deux lettres   Sigles de trois lettres AAA à DZZ EAA à HZZ IAA à LZZ MAA à PZZ QAA à TZZ UAA à XZZ …   Wikipédia en Français

  • cross — [ krɔs ] n. m. • 1892; de cross country 1 ♦ Course à pied en terrain varié et difficile, avec des obstacles. Faire du cross. Champion de cross. ♢ Épreuve disputée sur un tel parcours. Disputer les cross de la saison. Fam. Parcours fait en courant …   Encyclopédie Universelle

  • Cross — (kr[o^]s), a. 1. Not parallel; lying or falling athwart; transverse; oblique; intersecting. [1913 Webster] The cross refraction of the second prism. Sir I. Newton. [1913 Webster] 2. Not accordant with what is wished or expected; interrupting;… …   The Collaborative International Dictionary of English

  • cross — [krôs, kräs] n. [< ME cros & crois; cros < OE cros & ON kross, both < OIr cros < L crux (gen. crucis), a cross < IE * kreuk , extension of base * (s)ker , to turn, bend > L curvus; ME crois < OFr < L crux] 1. an upright… …   English World dictionary

  • Cross — (kr[o^]s; 115), n. [OE. crois, croys, cros; the former fr. OF. crois, croiz, F. croix, fr. L. crux; the second is perh. directly fr. Prov. cros, crotz. fr. the same L. crux; cf. Icel. kross. Cf. {Crucial}, {Crusade}, {Cruise}, {Crux}.] [1913… …   The Collaborative International Dictionary of English

  • Cross — (engl. = Kreuz) steht für: einen Familiennamen; Namensträger siehe Cross (Familienname) Cross (Boxen), eine Schlagtechnik beim Boxen Cross, beim Tennis ein diagonal geschlagener Ball The Cross, eine britische Band Crossrad ein Zwischen oder… …   Deutsch Wikipedia

  • cross — ► NOUN 1) a mark, object, or figure formed by two short intersecting lines or pieces (+ or x). 2) an upright post with a transverse bar, as used in antiquity for crucifixion. 3) a cross shaped decoration awarded for bravery or indicating rank in… …   English terms dictionary

  • cross — cross·abil·i·ty; cross·able; cross·ette; cross·ite; cross·jack; cross·ly; cross·ness; cross·tie; cross·ways; cross·word·er; re·cross; un·cross; au·to·cross; cross·court; mo·to·cross; criss·cross; cross·er; in·ter·cross; poly·cross; cross·tied; …   English syllables

  • cross — I (disagree with) verb act in opposition to, argue, be opposed to, collide, conflict with, confront, confute, contend, contest, contradict, contravene, controvert, debate, defy, dispute, gainsay, homini obsistere, make a stand against, neutralize …   Law dictionary

  • Cross — Cross, v. t. [imp. & p. p. {Crossed} (kr[o^]st; 115); p. pr. & vb. n. {Crossing}.] 1. To put across or athwart; to cause to intersect; as, to cross the arms. [1913 Webster] 2. To lay or draw something, as a line, across; as, to cross the letter t …   The Collaborative International Dictionary of English

  • Cross.tv — Type Private Founded Vienna, Austria Founder Andreas Kisslinger Stefan Jager Headquarters …   Wikipedia


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