(v. t.) The act by which anything is crossed; as, the crossing of the ocean.
(v. t.) The act of making the sign of the cross.
(v. t.) The act of interbreeding; a mixing of breeds.
(v. t.) Intersection, as of two paths or roads.
(v. t.) A place where anything (as a stream) is crossed; a paved walk across a street.
(v. t.) Contradiction; thwarting; obstruction.
Example Sentences:
(1) However, when cross-linked to anti-CD4 or anti-CD8 antibodies a markedly enhanced proliferation of the corresponding subpopulation is observed.
(2) The cross sectional area of the aortic lumen was gradually decreased while the length of the stenotic lesion gradually increased by using strips with different width.
(3) The quaternary structure of ribonucleotide reductase of Escherichia coli was investigated, with the use of purified B1 and B2 proteins and bifunctional cross-linking agents.
(4) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
(5) The mobility on sodium dodecyl sulfate-polyacrylamide gel electrophoresis is anomalous since the undenatured, cross-linked proteins have the same Stokes radius as the native, uncross-linked alpha beta gamma heterotrimer.
(6) 10D1 mAb induced a substantial proliferation of peripheral blood T cells when cross-linked with goat anti-mouse Ig antibody.
(7) Mapping of the cross-link position between U2 and U6 RNAs is consistent with base-pairing between the 5' domain of U2 and the 3' end of U6 RNA.
(8) There was however no difference in the cross-sectional studies and no significant deleterious effect detected of tobacco use on forearm bone mineral content.
(9) Plasma for beta-endorphin assay was preincubated with sepharose-bound anti-beta-lipotropin to remove beta-lipotropin that cross-reacted with the beta-endorphin RIA.
(10) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
(11) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(12) On the other hand, as a cross-reference experiment, we developed a paper work test to do in the same way as on the VDT.
(13) No reversions to wild-type levels were observed in 555 heterozygous offspring of crosses between homozygous Campines and normals.
(14) No cross reactions were found between bluetongue and epizootic haemorrhagic disease of deer viruses.
(15) Seven patients were treated with combination chemotherapy, consisting of CHOP (cyclophosphamide, doxorubicin, vincristine, prednisone) or MOPP (chloromethine, vincristine, procarbazine, prednisone), in some cases followed by non-cross-resistant second line chemotherapy, if no complete response was attained.
(16) [125I]AaIT was shown to cross the midgut of Sarcophaga through a morphologically distinct segment of the midgut previously shown to be permeable to a cytotoxic, positively charged polypeptide of similar molecular weight.
(17) Blood was cross-matched preoperatively in 47.7% of patients and 90% of this blood was either not administered or given as a delayed nonurgent procedure.
(18) Conjugational recombination in Escherichia coli was investigated by monitoring synthesis of the lacZ+ product, beta-galactosidase, in crosses between lacZ mutants.
(19) Crossed immunoelectrophoresis and sucrose density gradient ultracentrifugation of the patient's plasma showed his prothrombin to be qualitatively indistinguishable from normal prothrombin by these techniques.
(20) Eighty micrograms of the topically active parasympatholytic drug ipratropium were applied intranasally four times daily in 20 adults with perennial rhinitis and severe watery rhinorrhoea in a double-blind controlled cross-over trial.
Linkage
Definition:
(n.) The act of linking; the state of being linked; also, a system of links.
(n.) Manner of linking or of being linked; -- said of the union of atoms or radicals in the molecule.
(n.) A system of straight lines or bars, fastened together by joints, and having certain of their points fixed in a plane. It is used to describe straight lines and curves in the plane.
Example Sentences:
(1) The presence of O-glycosidic linkages between carbohydrate and protein in the DF3 antigenic site was further supported by the presence of NaBH4-sensitive sites.
(2) Twelve families with Wiskott-Aldrich syndrome (WAS) were studied by linkage analysis using 10 polymorphic marker loci from the X-chromosome pericentromeric region.
(3) A complex linkage between the cytoskeleton and the extracellular matrix is illustrated both in the cord forming Sertoli and granulosa cells, and in the adjacent mesenchymal cells.
(4) The assumption was also corroborated using reagents from a family in which DR3 and DQw2 were not found in the usually described linkage.
(5) This linkage information was used to design complementation tests to determine allelism with previously characterized complementation groups affecting sensitivity to radiation.
(6) Sensitivity and specificity were enhanced when we linked multiple predictors, but this linkage was seldom successful because few patients had more than one positive predictor.
(7) Analysis of the product by equilibrium density centrifugation and processive hydrolysis with snake venom phosphodiesterase suggested that the noncomplementary nucleotides were present in phosphodiester linkage.
(8) The same segments have been described to be responsible for the hexamer-hexamer linkage (Yu, M.-H. & Glazer, A.N.
(9) The two disorders may associate within families through genetic linkage or a failure of neurotransmitter homoeostasis.
(10) Isopycnic analyses of the ribonucleotide initiated fd DNA replication products demonstrated covalent linkage between the initiator RNA and newly synthesized DNA.
(11) The others had the structures galactosyl-galactosyl-xylosyl-4-methylumbelliferone and galactosyl-xylosyl-4-methylumbelliferone, respectively, representing the linkage region between the glycosaminoglycan chains and core protein, except that 4-methylumbelliferone replaced the amino acid.
(12) Absence of linkage in a large group of families shows that lamp genes are not involved in Salla disease.
(13) Because each linkage project is different, the modular nature of the software allows for better control of the programming process and development of unique strategies.
(14) Family clustering suggests a genetic pathogenesis, but linkage to HLA or other blood group markers has not been found.
(15) Biosynthesis of the two N-glycosyl linkage units involves dolichol monophosphate and dolicholdiphosphate-linked saccharide precursors.
(16) In addition, the distances between markers in the mouse and human were similar except for one region of the conserved linkage group where we could detect a larger distance in the mouse compared to the human.
(17) The inter-connecting linkage system develops postnatally, and the 'tip-linkages' are already found in one-week-old mice, suggesting that the critical organization of the micromechanics of the stereocilia matures rapidly during the postnatal period.
(18) Using molecular probes to examine somatic cell lines and recombinant inbred and congenic strains of mice, we have re-evaluated these linkage relationships.
(19) We now report linkage between CF and pJ3.11 (Z = 4.92, theta = 0) and between CF and 7C22 (Z = 3.42, theta = 0).
(20) Recently, a gene for ITD (DYT1) in a non-Jewish kindred was located on chromosome 9q32-34, with tight linkage to the gene encoding gelsolin (GSN).