(n.) The act of retrograding, or going backward; retrogradation.
(n.) Backward development; a passing from a higher to a lower state of organization or structure, as when an animal, approaching maturity, becomes less highly organized than would be expected from its earlier stages or known relationship. Called also retrograde development, and regressive metamorphism.
Example Sentences:
(1) After violence had run its bloody course, the country’s rulers conceded it had been a catastrophe that had brought nothing but “grave disorder, damage and retrogression”.
(2) Thus it is clear that DAB induced hepatoma exhibits retrogressive change in hepatic differentiation in its isozyme profile.
(3) Theophyllin and puromycine, inhibitors of the enzyme phosphodiesterase and AMPc are all able to inhibit the retrogression of mullerian ducts in the female chick embryo, grafted with an embryonic testis.
(4) Beatrix Campbell, in a letter to the London Review of Books this January, mentions Thatcher's "retrogressive modernisation", as described by Hall.
(5) Treated with TCM of Ziyin Xiehuo, (nourish vital essence reducing intense internal heat) and remitted, the levels of serum FSH, LH, E2 descend significantly, the volume of uterus and ovary reduce markedly, secondary sexual characteristics retrogress evidently, while the features of intense internal heat due to deficiency of vital essence mitigate obviously.
(6) Cavenagh said although the arrest was lawful under NT legislation, the paperless arrest scheme was “retrogressive” and unjustifiable preventive detention.
(7) Rabbits given a single high dose of digitoxin and some of the antiarrhythmic drugs and those given a small dose of digitoxin for only four days, presented a retrogressive increase of digitoxin level in serum 5-6 days later.
(8) Possibly even retrogressive changes are occurring, except in those rare sub-populations in which special social and cultural practices tend to favor selective perpetuation of characteristics which are usually viewed as beneficial.
(9) Detailed morphological studies have shown that posttraumatic osteomyelitis often begins with a necrosis of the outer tangential lamella of the tubular bone partly promoted by partial periosteal retrogression, possibly followed by a necrosis of the fracture ends caused by a disturbance of the medullary blood circulation.
(10) Rationality belongs to the individual,” Laclau writes, characterising the anti-populist thesis, and when the individual takes part in a crowd or a mass movement they are subject to the most criminal or beastly elements of that group and undergo a “biological retrogression” to a less enlightened state of being.
(11) "Retrogression is what you talk about in human rights when you go backwards, and that is what we are seeing now.
(12) Different tendencies can be observed in the different types of sports: skiing accidents have, after a long period of retrogression until 1973, shown a noticeable augmentation again.
(13) In chronic infections and parasitoses they evoke a retrogression of the fatty tissue (cachexia).
(14) From the results the tendency of a retrogression of the holiday effect is to be read off in the course of years.
(15) Since neuroretinopathy consequentially worsens both the subjective (visual acuity, sensitivity to the contrast) and objective (electric activity) sight functions, the appropriate attempt is to be made in achieving rapidly retrogression of pathologic retinal changes by modification of dialysis process.
(16) The high grade destruction of muscle tissue leads to a not retrogressive stenosis, even after sanitation of biliary tract, which principally should be discised.
(17) In 7 cases a complete retrogression of the lodge to the size of the urethra could be proved radiologically.
(18) Concerning personality, the children showed elements of "dependence" "retrogression" and "maladaptation to school (kindergarten)".
(19) Treatment with neomercazole had shown, good correlation between time lag and the retrogressive changes.
(20) After administration of testosterone propionate to male chick embryos and chickens, their testis have an activity, on the retrogression of mullerian ducts, much more important than that observed in testis of normal subjects of the same age, activity measured by grafting testis fragments in undifferentiated female chick embryos.
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.