(n.) Any one of two or more distinct crystalline forms of the same substance; or the substance having such forms; -- as, carbonate of lime occurs in the allomorphs calcite and aragonite.
(n.) A variety of pseudomorph which has undergone partial or complete change or substitution of material; -- thus limonite is frequently an allomorph after pyrite.
Example Sentences:
(1) Allomorphic relationships in chickens selected for high or low juvenile body weight and their reciprocal crosses were examined from hatch to 56 days of age (doa).
(2) The H-2w homozygotes were then characterized by serological typing with monoclonal and polyclonal antibodies specific for the known allomorphs controlled by the class I H-2K and H-2D loci or the class II H-2A and H-2E loci.
(3) Controlled winding and stretching deformations are used to study how the two allomorphs and different base sequences absorb such external stress.
(4) This reduced fermentation rate was apparently due to the partial conversion of the cellulose from the type I to the type II allomorph, since mercerized (type II) cellulose was also fermented more slowly, and only after a much longer lag period.
(5) The in vivo site at which the different allomorphs of the E alpha Ia molecule exert their Ir gene effect on the immune response to pigeon cytochrome c was examined by creating two different sets of radiation-induced bone marrow chimeras.
(6) Allomorphic growth of organs and feed utilization were measured in cockerels from two meat lines known to differ in growth potential under alternate-day and daily feeding of diets differing in nutrient density.
(7) Allomorph (allele determined by electrophoresis) frequencies for 20 enzyme (loci) were calculated and 7 populations (Texas, Mexico, Belize, Guatemala, Ecuador [EC], Venezuela, and the Dominican Republic [DR]) were compared pairwise in the statistic of genetic identity (I) (level of genetic similarity).
(8) Sequencing of the PCR products and transfection of these to Fc gamma R- cells indicated that in Fc gamma RIIa of HR or LR individuals: (i) three nucleotide substitutions (CA to TG and G to A) resulted in the change of glutamine to tryptophan at position 27 (first extracellular domain) and arginine to histidine at position 131 (second extracellular domain); (ii) expression of cDNA encoding the various combinations of these indicated that arginine at position 131 was essential for IgG1 binding whereas the amino acid changes at position 27 had no effect; and (iii) IgG1 at high concentration bound to all allomorphic forms of Fc gamma RIIa.
(9) In addition, the 'logic' of assuming Contrast leads to insurmountable difficulties in the acquisition of irregular forms and allomorphs.
(10) Thus, it is unlikely that these enzymic variants reflect allomorphic forms of P-450 3b.
(11) The allomorph obtained by this process seems to correspond to the so-called 'tendon-chitosan'.
(12) Limiting dilution analysis confirmed a number of antigenic relationships suggested by the long-term T cell clones and revealed that T cells specific for allomorphic protease determinants were at least as frequent in the blood of immune donors as were T cells committed to conserved determinants.
(13) Lutzomyia youngi Feliciangelis and Murillo and L. spinicrassa Morales, Osorno, Osorno, and Hoyos each have diagnostic allomorphs for phosphogluconate dehydrogenase (6PGDH) and fumarate hydratase (FUM).
(14) These clones defined five AP and three E specificities and suggested the existence of at least five allomorphic determinants expressed on the proteases of various Pseudomonas strains.
(15) Heterozygotes of hexokinase-1 and phosphoglucomutase displayed 2 allomorphs in equal dosage, indicating that trichomonads are diploid for these protein loci.
(16) A diagrammatic representation of the allomorphs among the 72 isolates is included.
(17) When isolated, the two major bands again produced an "isoelectric spectrum" suggesting that it reflects an allomorphism of cx-flagellin.
(18) With respect to the coupling factor's ability to hydrolyze ATP, the data in this study suggest that there are at least four distinct functional allomorphs of this enzyme: (1) the latent enzyme, which has no kinetically measurable ATPase activity, (2) intrinsic ATPase, which is catalyzed by a small percentage of the molecular population that has been activated by some natural mechanism, (3) activated ATPase, which has properties different from those of intrinsic ATPase, and (4) aged activated ATPase, in which some of the properties (Km for substrate, sensitivity to deactivation by Mg2+ and H+) spontaneously change within 30 min.
(19) Thus, we assume that they are stable conformational isomers of the proteins (allomorphism) or that there are only slight variations in the internal sequences of these proteins (polymorphism) causing distinct pIs.
Operator
Definition:
(n.) One who, or that which, operates or produces an effect.
(n.) One who performs some act upon the human body by means of the hand, or with instruments.
(n.) A dealer in stocks or any commodity for speculative purposes; a speculator.
(n.) The symbol that expresses the operation to be performed; -- called also facient.
Example Sentences:
(1) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
(2) after operation for hip fracture, and merits assessment in other high-risk groups of patients.
(3) Twenty-seven patients were randomized to receive either 50 mg stanozolol or placebo intramuscularly 24 h before operation, followed by a 6 week course of either 5 mg stanozolol or placebo orally, twice daily.
(4) Of the patients 73% demonstrated clinically normal sensibility test results within 23 days after operation.
(5) Seventeen patients (Group 1) had had no previous surgery, while 13 (Group 2) had had multiple previous operations.
(6) Use of the improved operative technique contributed to reduction in number of complications.
(7) Life expectancy and the infant mortality rate are considered more useful from an operational perspective and for comparisons than is the crude death rate because they are not influenced by age structure.
(8) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
(9) At operation, the tumour was identified and excised with part of the aneurysmal wall.
(10) Sixteen patients were operated on for lumbar pain and pain radiating into the sciatic nerve distribution.
(11) No consistent relationship could be found between the time interval from SAH to operation and the severity of vasospasm.
(12) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
(13) The present findings indicate that the deafferented [or isolated] hypothalamus remains neuronally isolated from the environment if the operation is carried out later than the end of the first week of life.
(14) At the fepB operator, a 31 base-pair Fur-protected region was identified, corresponding to positions -19 to +12 with respect to the transcriptional start site.
(15) In the past 6 years 26 patients underwent operation for recurrent duodenal ulcer after what was considered to be an "adequate" initial operation.
(16) The operative arteriograms confirmed vascular occlusive phenomenon.
(17) The reference library used in the operation of a computerized search program indicates the closest matches in the reference library data with the IR spectrum of an unknown sample.
(18) And that, as much as the “on water, operational” considerations, is why we are being kept in the dark.
(19) Six of the patients were operated using the McIndoe and Bannister technique while on the other two the Tobin and Day technique was used.
(20) Focusing on two prospective payment systems that operated concurrently in New Jersey, this study employs the hospital department as the unit of analysis and compares the effects of the all-payer DRG system with those of the SHARE program on hospitals.