(n.) The recurrence, or a tendency to a recurrence, of the original type of a species in the progeny of its varieties; resemblance to remote rather than to near ancestors; reversion to the original form.
(n.) The recurrence of any peculiarity or disease of an ancestor in a subsequent generation, after an intermission for a generation or two.
Example Sentences:
(1) Down syndrome impresses us as a paradigm of increased developmental variability due to a deceleration of the rate of development (neoteny) with many anomalies of incomplete morphogenesis (vestigia), atavisms, increased morphometric variability with many decreased means, increased variances, and increased fluctuating asymmetry.
(2) Through herd mentality, or pure atavism, the leaderless state was drawn back to its one familiar point of reference, the tribal system of its ancestors, and with it the full force of its legacy: a return to the hatred of the past, to intractable rivalries, violent raids and an unquenchable thirst for vengeance.
(3) A varimax rotated factor analysis of the ATAV yielded one primary factor accounting for 85.9% of the variance.
(4) In the analysis of laryngeal anomalies in 30 selected phoniatric patients by CT examination, 2 atavisms of the laryngeal skeleton were found.
(5) Results showed slight but significant correlations between the ATAV and F (r = .17, p less than .044) and Formal Content of Dogmatism (r = .20, p less than .023) Scales for the United States sample.
(6) The recurrence of CK-BB may indicate atavism, and the enhanced anaerobic glycolysis and the accelerated energetic turnover may be on of the metabolic characteristics of leukemic cell.
(7) The survey instrument included the 20-item Attitudes Toward AIDS Victims (ATAV) Scale, the 18-item F Scale, the Form A, and 14-item Formal Content of Dogmatism Scale.
(8) The presence of Purkinje-like cells in ectopic locations within the heart and their association with satellite cells is likely a form of embryological atavism.
(9) Atavisms of responding have been observed to play an essential role in real perversions.
(10) Presence of these normally vestigial structures is considered a form of atavism.
(11) The following phases yielded significant correlations between the ATAV scale and attitudes toward homosexuals (.60, p less than .001), homosexual parenting (.64, p less than .001), other minority groups (.33, .37, p less than .001), capital punishment (-.27 p less than .001), and sexually liberal attitudes (.22, .37, .23, p, less than .025).
(12) The dynamic phenomena (such as homodynamy, coadaptation, parallel evolution, orthogenesis, Cartesian transformation, typostrophy, hetermorphosis, systemic mutation, and spontaneous atavism) have no causal explanation, although they are responsible for all directed phenomena in macroevolution.
(13) The persisting alpha-fetoprotein synthesis in ataxia-telangiectasia, the morphologic atavisms in Down or trisomy 13 syndromes, and the delayed growth or fetal to adult hemoglobin switch in diabetic embryopathy all exemplify developmental asynchrony.
(14) The authors propose the term atavistic to designate a gene producing an ancestral phenotype (atavism).
(15) And instead of being a temporary festivity, the ornaments of new nationhood – all those recomposed national anthems and redesigned banknotes, postage stamps and ceremonial uniforms – were hardening into real statehoods with real borders, inspired not by universal enlightenment values, but by the atavisms of ancient religious and ethnic conflicts.
(16) This study reports on the development of a Likert scale that measures attitudes toward AIDS victims (ATAV) in five phases.
Reversion
Definition:
(n.) The act of returning, or coming back; return.
(n.) That which reverts or returns; residue.
(n.) The returning of an esttate to the grantor or his heirs, by operation of law, after the grant has terminated; hence, the residue of an estate left in the proprietor or owner thereof, to take effect in possession, by operation of law, after the termination of a limited or less estate carved out of it and conveyed by him.
(n.) Hence, a right to future possession or enjoiment; succession.
(n.) A payment which is not to be received, or a benefit which does not begin, until the happening of some event, as the death of a living person.
(n.) A return towards some ancestral type or character; atavism.
Example Sentences:
(1) This trend appeared to reverse itself in the low dose animals after 3 hr, whereas in the high dose group, cardiac output continued to decline.
(2) Application of 40 microM NiCl2 reversibly blocked It while leaving Is intact, whereas 20 microM CdCl2 reversibly blocked Is, but not It.
(3) The outward currents are sensitive to TEA and their reversal potentials differ.
(4) With NaCl as the major constituent of the bathing solution (potassium-free pipette and external solutions) the reversal potential (Er) of the noradrenaline-evoked current was about 0 mV.
(5) The HBV infection was tested by the reversed passive hemagglutination method for the HBsAg and by the passive hemagglutination method for the anti-HBs at the time of recruitment in 1984.
(6) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
(7) Tests showed the cells survive and function normally in animals and reverse movement problems caused by Parkinson's in monkeys.
(8) In dorsoventral (DV) reversed wings at both shoulder or flank level, the motor axons do not alter their course as they enter the graft.
(9) Head-injured patients had a low thyroxine (T4), low triiodothyronine (T3), and high reverse T3.
(10) Dilutional studies comparing the mechanism of inhibition of monoamine oxidase produced by Gerovital H3 and by ipronizid demonstrated that Gerovital H3 was a reversible inhibitor of monoamine oxidase.
(11) Nucleotide, which is essential for catalysis, greatly enhances the binding of IpOHA by the reductoisomerase, with NADPH (normally present during the enzyme's rearrangement step, i.e., conversion of a beta-keto acid into an alpha-keto acid, in either the forward or reverse physiological reactions) being more effective than NADP.
(12) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
(13) What reforms there were could also be reversed, she warned.
(14) No reversions to wild-type levels were observed in 555 heterozygous offspring of crosses between homozygous Campines and normals.
(15) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
(16) Sickle and normal discocytes both showed membrane elasticity with reversion to original cell shape following release of the cell from its aspirated position at the pipette tip.
(17) These antagonists reverse NMDA-mediated long term influence in these brain areas.
(18) For dental procedures requiring tracheal intubation, one could perhaps use non-depolarizing muscle relaxants, like pancuronium, with reversal at the end of the procedure.
(19) We have recently described a nonnucleoside compound that specifically inhibits the reverse transcriptase of human immunodeficiency virus type 1 (HIV-1), the causative agent of AIDS.
(20) We have investigated some of the factors which affect the retention times of these substances in reversed-phase HPLC on columns of 5-micron octadecylsilyl silica.