What's the difference between variant and variation?

Variant


Definition:

  • (a.) Varying in from, character, or the like; variable; different; diverse.
  • (a.) Changeable; changing; fickle.
  • (n.) Something which differs in form from another thing, though really the same; as, a variant from a type in natural history; a variant of a story or a word.

Example Sentences:

  • (1) This particular variant of rheumatoid arthritis (RA) is characterized by the presence of subcutaneous rheumatoid nodules, scanty or absent systemic manifestations and a clinically benign course.
  • (2) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
  • (3) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
  • (4) Insensitive variants die more slowly than wild type cells, with 10-20% cell death observed within 24 h after addition of dexamethasone.
  • (5) In this study, the role of psychological make-up was assessed as a risk factor in the etiology of vasospasm in variant angina (VA) using the Cornell Medical Index (CMI).
  • (6) Moreover, homozygous deletion of the FMS gene may be an important event in the genesis of the MDS variant 5q- syndrome.
  • (7) The diagnosis of variant- or Prizmetal-angina is difficult because if insufficient specificity of the tests.
  • (8) A variant t-PA (G K1 K2 P), which contained only one of the two fibrin binding sites, i.e.
  • (9) In the DAUDI cell system, the acquired capability of tumor cell variants to grow in the presence of a relatively high concentration of vinblastine (VBL) is associated with a marked increase to NK and LAK susceptibility.
  • (10) An infant with a Sturge-Weber variant syndrome developed progressive megalencephaly and eventual hydrocephalus, which required shunting.
  • (11) Three distinct antigenic regions of bovine somatotropin (bST) were identified on the basis of the ability of a set of monoclonal antibodies to bind to proteolytic fragments and deletion variants of recombinant bST (rbST) in Western blot analyses.
  • (12) Furthermore, they seem to suggest that most cases of cycloid psychosis are not variants of either schizophrenia or major affective disorders.
  • (13) Structurally altered polymorphic variants with reduced activity, such as tetrameric interface mutant Ile-58 to Thr, may produce not only an early selective advantage, through enhanced cytotoxicity of tumor necrosis factor for virus-infected cells, but also detrimental effects from increased mitochondrial oxidative damage, contributing to degenerative conditions, including diabetes, aging, and Parkinson's and Alzheimer's diseases.
  • (14) A variant of the FitzHugh-Nagumo model is proposed in order to fully make use of the computational properties of intraneuronal dynamics.
  • (15) All four human MBP variants were identical except for the insertion of deletion of two peptide fragments corresponding to those encoded by exons 2 and 5 of the MBP gene.
  • (16) Proliferation of untransformed FDC-PI cells and the emergence of variants with improved adaptation to in vivo conditions appear to be important and possibly necessary steps in the pathogenesis of the disease.
  • (17) The results are discussed with respect to Q phase variants and receptor binding properties.
  • (18) In small cell line NCI-H69 the growth inhibitory effect of VRP alone is greater in the resistant variant than in the parent line.
  • (19) A deficient G-6PD variant was discovered in 4 males of one family from northwestern Germany.
  • (20) Methods of analysis for some deterministic and stochastic variants of the integrate-to-threshold neural coding scheme are presented.

Variation


Definition:

  • (n.) The act of varying; a partial change in the form, position, state, or qualities of a thing; modification; alternation; mutation; diversity; deviation; as, a variation of color in different lights; a variation in size; variation of language.
  • (n.) Extent to which a thing varies; amount of departure from a position or state; amount or rate of change.
  • (n.) Change of termination of words, as in declension, conjugation, derivation, etc.
  • (n.) Repetition of a theme or melody with fanciful embellishments or modifications, in time, tune, or harmony, or sometimes change of key; the presentation of a musical thought in new and varied aspects, yet so that the essential features of the original shall still preserve their identity.
  • (n.) One of the different arrangements which can be made of any number of quantities taking a certain number of them together.

Example Sentences:

  • (1) The variation in thickness of the LLFL may modulate the species causing damage to the cells below it.
  • (2) There was appreciable variation in toothbrush wear among subjects, some reducing their brush to a poor state in 2 weeks whereas with others the brush was rated as "good" after 10 weeks.
  • (3) Correction for within-person variation in urinary excretion increased this partial correlation coefficient between intake and excretion to 0.59 (95% CI = 0.03 to 0.87).
  • (4) The coefficient of variation in the integrated area of a single peak is 16%.
  • (5) Sequence variation in the gp116 component of cytomegalovirus envelope glycoprotein B was examined in 11 clinical strains and compared with variation in gp55.
  • (6) Effects of habitual variations in napping on psychomotor performance, short-term memory and subjective states were investigated.
  • (7) A small variation in T1 was found between older (greater than 40 years) and younger (less than 40 years) subjects, but no such effect was observed in the case of T2.
  • (8) The variation of the activity of the peptidase with pH in the presence of various inhibitors was investigated in both control and insulted muscle fibres.
  • (9) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
  • (10) = 19) with a very low, but statistically significant, correlation with the AUC, r = 0.35 (p less than 0.05), thus demonstrating a very great individual variation in sensitivity to cimetidine.
  • (11) Once the normal variations are mastered, appreciation of retinal, choroidal, optic nerve, and vitreal abnormalities is possible.
  • (12) Regression analysis on the 21 clinical or laboratory parameters studied showed that the only variable independently associated with CSF-FN was the total protein concentration in the CSF; this, however, explained only 14% of the observed variation in the CSF-FN concentration and did not show any correlation with CNS involvement.
  • (13) Pharmacokinetic parameters, such as these clearances, had large intersubject variations.
  • (14) Variability (CV = 0.7%) in body volume of a 45-year-old reference man measured by SH method was very similar to variation (CV = 0.6%) in mass volume of the 60-1 prototype.
  • (15) Further analysis of the role of sex steroid hormones is required in view of the sex variations reported.
  • (16) The overall result of this system has been to decrease the coefficients of variation to below 5% for all the milk and serum proteins tested.
  • (17) The variation in age-specific rates with age was similar for all cancers, as demonstrated by large positive correlation coefficients between age-incidence patterns averaged over all populations.
  • (18) Even though there are variations among equipment bearing the same model number it was considered worthwhile to make available relative cavitational and temperature data.
  • (19) Accordingly, LPA proved an extremely stable characteristic which did not show any substantial variations in the course of five years.
  • (20) Variation in patient mix was a major determinant of the large variations in resource use.