(n.) The act or state of growing worse, or the state of having become worse; decline; degradation; debasement; degeneracy; deterioration.
(n.) That condition of a tissue or an organ in which its vitality has become either diminished or perverted; a substitution of a lower for a higher form of structure; as, fatty degeneration of the liver.
(n.) A gradual deterioration, from natural causes, of any class of animals or plants or any particular organ or organs; hereditary degradation of type.
(n.) The thing degenerated.
Example Sentences:
(1) Thus, our results indicate that calbindin-D28k is a useful marker for the projection system from the matrix compartment and that its expression is modified in patients with progressive supranuclear palsy and striatal degeneration.
(2) Achilles tendon overuse injuries exist as a spectrum of diseases ranging from inflammation of the paratendinous tissue (paratenonitis), to structural degeneration of the tendon (tendinosis), and finally tendon rupture.
(3) Electroretinographic (ERG), morphometric and biochemical studies on retinas from monkeys or rats reveal that moderate level developmental lead (Pb) exposure produces long-term selective rod deficits and degeneration.
(4) of rats resulted in cell death and terminal degeneration in entorhinal, insular, and posterior cingulate cortices, and in the CA1, CA3 and dentate gyrus sectors of hippocampus.
(5) Certain underlying factors in several types of retinal degeneration are first discussed, followed by characteristics of diabetic maculopathy and of other types of macular degeneration including that due to aging.
(6) Hyperopia was more common in younger persons, but senile cataract, macular degeneration and palpebral dermatochalasis or blepharochalasis were more common in older persons.
(7) Since only a few of these medium sized terminals in any one cluster degenerate after tectal lesions, and none degenerate after cortical lesions, it is suggested that the morphological arrangement of these clusters may permit the convergence of axons from several sources, some of which are unidentified, onto the same dendritic segment.
(8) Age-related macular degeneration (ARMD) is one of the leading causes of severe visual loss in the United States.
(9) Deafferentation of certain brain regions in adult animals results in (1) the disappearance of degenerating axon terminals and (2) in the temporary persistence of vacant postsynaptic sites.
(10) The eye of a patient with age-related macular degeneration was treated with krypton laser photocoagulation and later studied histopathologically.
(11) At hypothyroid patients there is an ADP excess which is degenerated to xanthine, the substrate of xanthine oxidase resulting in toxic anion superoxide and UA.
(12) After 7 days, various stages of sensory hair degeneration could be observed.
(13) I think you're probably right that the accent does degenerate along with Richard.
(14) Optical light, transmission, and scanning electron microscopy were used in investigations of epithelia in the glandular region of the milk cistern and greater lactiferous ducts and yielded the following findings, four and six hours from infection: degeneration and necrosis of epithelial cells, intraepithelial foreign cell infiltration (neutrophilic granulocytes, lymphocytes, macrophages), intra-epithelial oedema and locally delimited epithelial loss.
(15) Meanwhile, in the US, Ellen DeGeneres , who is 56 and came out in the 90s, is still flying the lesbian flag on TV.
(16) Key findings include a progressive degeneration of these cholinergic neurons characterized by the formation of immunoreactively atypical NFT, the loss of intraneuronal lipofuscin, a lack of senile plaque and beta-amyloid deposition within the basal forebrain, and end-stage gliosis without residual extracellular NFT.
(17) Differential degeneration of the lateral microvessels may account for increases in collagen nodule growth and ultimate size.
(18) Ultrastructurally, the atrial myocardial cells in all three patients were hypertrophied, and two patients had evidence of focal cell degeneration; the atrium was markedly dilated, but atrial arrhythmias were not noted.
(19) Pathological consequences of these events include inflammatory neutrophil infiltration, damage to the collagen and mucosal basement membrane, increased capillary permeability, edema, cell degeneration and necrosis.
(20) These tangential fibers are in part the preterminal arborizations of geniculocortical axons, since some of them have been shown to degenerate after geniculate lesions.
Retrogression
Definition:
(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.