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Cronobacter

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A genus of gram-negative enteric bacteria that causes opportunistic infections, primarily in newborns. The genus was formerly known as Enterobacter sakazakii and consists of five species: C. sakazakii, C. malonaticus, C. turicensis, C. muytjensii, and C. dublinensis.

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Crosby capsule

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(krŏz′bē) [William Holmes Crosby, Jr., U.S. physician, 1914–2005] A device attached to a flexible tube that is introduced into the gastrointestinal tract per os. It is designed so that a sample of tissue may be obtained from the mucosal surface with which it is in contact. The capsule is then removed and the tissue examined for evidence of pathological changes.

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cross

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[L. crux] 1. Any structure or figure in the shape of a cross. 2. In genetics, the mating or the offspring of the mating of two individuals of different strains, varieties, or species.

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crossbirth

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Presentation of the fetus in which the long axis of the fetus is at right angles to that of the mother and requires version or cesarean delivery. Also called transverse lie.

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crossbreeding

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Mating of individuals of different breeds or strains.

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cross-bridge

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In the sarcomere of a muscle cell, the portion of the myosin filaments that pulls the actin filaments toward the center of a sarcomere during contraction.

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cross-cultural

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Pert. to the physiological and social differences and similarities of two or more cultures.

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cross-dress

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To dress in clothing normally worn by members of the opposite sex. cross-dresser, n. cross-dressing, n.

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crossed

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Passing from one side to the other, as the crossed corticospinal tract, in which nerve fibers cross from one side of the medulla to the other.

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crossed-finger technique

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SEE: under technique.

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cross education

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SEE: under education.

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cross-examination

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(kros′ĕg-zam″ĭ-nā′ shŏn) The interrogation of a witness by the opposing party in a legal dispute. cross-examine (kros′ĕg-zam′ĭn), v.

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cross-eye

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Esotropia. cross-eyed, adj.

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cross-fertilization

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Fusion of male and female gametes from different individuals.

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crosshatching

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(kros′hach″ing) In the surgical repair of lacerations, a cosmetic defect in which lines across the wound ("train tracks") are left on the skin after sutures are removed.

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crossing over

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In genetics, the mutual interchange of blocks of genes between two homologous chromosomes. It occurs during synapsis in meiosis. In this process, there is no gain or loss of genetic material, but a recombination does occur.

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crossmatching

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1. The procedures and techniques used to ensure the ...

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