(n.) The act of wandering; deviation, especially from truth or moral rectitude, from the natural state, or from a type.
(n.) A partial alienation of reason.
(n.) A small periodical change of position in the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer; called annual aberration, when the observer's motion is that of the earth in its orbit, and daily or diurnal aberration, when of the earth on its axis; amounting when greatest, in the former case, to 20.4'', and in the latter, to 0.3''. Planetary aberration is that due to the motion of light and the motion of the planet relative to the earth.
(n.) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; called spherical aberration, when due to the spherical form of the lens or mirror, such form giving different foci for central and marginal rays; and chromatic aberration, when due to different refrangibilities of the colored rays of the spectrum, those of each color having a distinct focus.
(n.) The passage of blood or other fluid into parts not appropriate for it.
(n.) The producing of an unintended effect by the glancing of an instrument, as when a shot intended for A glances and strikes B.
Example Sentences:
(1) The purpose of these studies was to better understand the molecular basis of chromosome aberration formation after mitomycin C treatment.
(2) The effects of phenoxyacetic acid herbicides were investigated on the induction of chromosome aberrations in human peripheral lymphocyte cultures in vitro and in lymphocytes of exposed workers in vivo.
(3) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
(4) Maximal aberration yields were observed for 2,4-diaminotoluene, 2,6-diaminotoluene and cytosine beta-D-arabinofuranoside from 17 to 21 h, eugenol from 15 to 21 h, cadmium sulfate from 15 to 24 h and 2-aminobiphenyl, from 17 to 24 h. For adriamycin at 1 microM, the % aberrant cells remained elevated throughout the period from 9 to 29 h, while small increases at 0.1 microM ADR were found only at 13 and at 25 h. For most chemicals the maximal aberration yield occurred at a different time for each concentration tested.
(5) Aberrant forms (elongated and twisted) in the vacuole and double virions in the plasma membrane were observed as early as 65 h after infection.
(6) Detailed studies of the between-cell aberration distributions give evidence that positive selection against cells with high aberration frequencies has also occurred in these experiments.
(7) Chromosome aberrations were scored in BHK21 C13 Syrian hamster fibroblasts, exposed to 60Co gamma-rays, 250 kV X-rays, 15 MeV neutrons or neutrons of mean energy 2.1 MeV produced from the 9Be(d,n)10B reaction.
(8) Immense amounts of data about cancer-associated chromosome aberrations have been collected during the last 10 years, and the systematic evaluation of these data has disclosed a number of correlations between chromosome change and neoplastic disease.
(9) ECGs taken routinely over a period of years help differntiate ventricular from supraventricular tachycardias with aberrant conduction.
(10) In three patients treated with photrine cells with aberrative karyotypes ranged within 14-37.5%.
(11) 50 cells at metaphase per animal were scored for chromosomal aberrations.
(12) Thus, in human lymphocytes the frequencies of chromatid aberrations induced by most clastogenic agents were strongly enhanced when caffeine was given during the G2 phase, but little affected by post-treatments with caffeine during the S phase.
(13) Systematic treatment of aberrant subclavian arteries should perhaps be considered when it can be performed during thoracic surgery.
(14) At that time the factor IX users also had milder immune aberrations than the hemophilia A group.
(15) The predominant specific aberrations in gliomas were an over-representation of chromosome 7 (13 cases) and an under-representation of chromosome 10 (16 cases).
(16) It was shown that six pesticides induced a statistically significant increase in the number of chromosomal aberrations: Bi 58 EC, Metasystox (I) forte, Sadofos 30, Nogos 50 EC, Foschlor 25 and Thiodan 35.
(17) Cystic dystrophy of aberrant pancreatic tissue without chronic pancreatitis is a rare disease described by Potet and Duclert in 1970.
(18) Methyl sinapate also increased the frequency of cells with chromosome aberrations in the CHO K-1 cells treated with MMC, 4NQO or UV.
(19) In the exposed group structural chromosome aberrations were found in 2%, while in the control group in 0.9% of analysed metaphases.
(20) These findings indicate structural abnormalities in the secretory apparatus of neuroendocrine cells in dysplastic bronchi and correlate with experimental observations of aberrant hormonal production associated with bronchial dysplasia.
Doublet
Definition:
(a.) Two of the same kind; a pair; a couple.
(a.) A word or words unintentionally doubled or set up a second time.
(a.) A close-fitting garment for men, covering the body from the neck to the waist or a little below. It was worn in Western Europe from the 15th to the 17th century.
(a.) A counterfeit gem, composed of two pieces of crystal, with a color them, and thus giving the appearance of a naturally colored gem. Also, a piece of paste or glass covered by a veneer of real stone.
(a.) An arrangement of two lenses for a microscope, designed to correct spherical aberration and chromatic dispersion, thus rendering the image of an object more clear and distinct.
(a.) Two dice, each of which, when thrown, has the same number of spots on the face lying uppermost; as, to throw doublets.
(a.) A game somewhat like backgammon.
(a.) One of two or more words in the same language derived by different courses from the same original from; as, crypt and grot are doublets; also, guard and ward; yard and garden; abridge and abbreviate, etc.
Example Sentences:
(1) However, analogous OMPs in the LGV strains existed as a doublet with a molecular mass of about 60,000 Da.
(2) The antigen (a protein doublet of Mr 75,000-80,000) is present in, but not restricted to, the myelin lamellae, since it is distributed along the whole myelinating Schwann cell membrane.
(3) In this respect earlier reports by other authors were confirmed but minor compounds not detected so far could be revealed as 15:1, the doublet 18:1 and i-18:0, 19:1 and 20:1.
(4) Studies with substrate analogs selectively modified at the basic doublet indicated that the integrity of both basic amino acids is essential but that conformational parameters, probably governed by the amino acid sequences flanking the basic doublet, play an important role.
(5) During FV, 10 of 26 motoneurons began their discharges with doublets (interspike interval < 10 ms); doublets occurred in only 4 of 67 motoneurons during FC.
(6) The model suggests that the diversity of beat phenotype may be explicable by changes in the timing of switching between active and inactive states of doublet arm activity.
(7) The proacrosin appeared as a doublet (Mr = 55,000 and 53,000) on both of these systems.
(8) The excess intensity (approximately 17%) of the low-spin doublet must therefore be assigned to heme a3 in a modified environment.
(9) The other, p24, migrated as a sharp band or closely spaced doublet with an apparent molecular weight of 24 kD.
(10) Twenty-four amino acid doublets were found; the most abundant of these are Pro-Pro and Ala-Ala which each occur five times.
(11) Rat vascular smooth muscle cells (SMC) in culture synthesize and secrete a approximately 38,000-Mr protein doublet or triplet that, as previously described (Majack and Bornstein.
(12) The free ends of the microtubules appear unraveled; they are seen first as single elements, then as doublets, and finally are arranged into a cylinder.
(13) In one recombinant clone the large CRP appeared to be posttranslationally cleaved at two sites, forming a doublet in a manner similar to the large-CRP doublet made in native C. psittaci 6BC.
(14) Ciliary abnormalities fell into four major categories: (1) cilia with a single axoneme and excess cytoplasmic matrix; (2) compound cilia; (3) intracytoplasmic microtubular doublets; and (4) cilia within periciliary sheaths.
(15) The mobility of this doublet is identical under reducing and non-reducing conditions.
(16) The head seems to float uncomfortably above the collar, while the doublet is ineptly managed.
(17) When cytosines in CpG doublets in G + C-rich fragments were methylated (mCpG), the reactivity increased up to 100-fold.
(18) When analyzed by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate and mercaptoethanol, the protein migrated as a doublet with apparent molecular masses of 55 and 60 kilodaltons (kDa) and as a 50-kDa band in nonreducing gels.
(19) The N-acetylimidazole-reacted apoprotein supplemented with hemin and reacted with hydroperoxides, neither showed electronic absorption spectra of higher oxidation states nor an EPR doublet signal due to a tyrosyl radical.
(20) Stimulus trains starting with an initial doublet produced maximum rate of tension development (optimum impulse pattern).