(n.) A wasting away from want of nourishment; diminution in bulk or slow emaciation of the body or of any part.
(v. t.) To cause to waste away or become abortive; to starve or weaken.
(v. i.) To waste away; to dwindle.
Example Sentences:
(1) Muscle weakness and atrophy were most marked in the distal parts of the legs, especially in the gastrocnemius and soleus muscles, and then spread to the thighs and gluteal muscles.
(2) We studied the effects of the localisation and size of ischemic brain infarcts and the influence of potential covariates (gender, age, time since infarction, physical handicap, cognitive impairment, aphasia, cortical atrophy and ventricular size) on 'post-stroke depression'.
(3) The findings confirm and quantitate the severe atrophy of the neostriatum, in addition to demonstrating a severe loss of cerebral cortex and subcortical white matter in HD.
(4) Gross brain atrophy was slight and equal in both groups.
(5) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
(6) Fascia TM grafts atrophied in 35 of 43 ears (80%), and perichondrium atrophied in 8 of 20 ears (40%).
(7) The clinical and postmortem findings of a patient with Lewy body pathology combined with multiple-system atrophy are described.
(8) In a final experiment, prostatic atrophy in castrate rats was not enhanced by either adrenalectomy or flutamide treatment.
(9) Mucosal drying medications and senile salivary gland atrophy seemed to contribute to the high frequency of sicca in this population with a lesser proportion of the subjects demonstrating previously undiagnosed Sjögren's and possible Sjögren's syndrome.
(10) The observations support the idea that the function of pericytes in the choriocapillaris, the major source of nutrition for the retinal photoreceptors, resides in their contractility, and that pericytes do not remove necrotic endothelium during capillary atrophy.
(11) Gyrate atrophy is a hereditary chorioretinal degenerative disease caused by a deficiency of the mitochondrial enzyme, ornithine aminotransferase (OAT).
(12) Computer-aided axial tomography revealed progressive development of atrophy of the left hemisphere and compensatory dilatation of the ventricles.
(13) Atrophy was present in 44% of TIA patients, 68% of PRIND patients and 82% of completed stroke patients.
(14) Portal vein ligation resulted in testicular atrophy and low serum testosterone concentrations.
(15) Accessory gland atrophy was restodred following the treatment with insulin and much improved with insulin plus hCG.
(16) We present a patient with unilateral progressive painless loss of vision leading to optic atrophy and blindness.
(17) Six biopsies could not be evaluated (advanced atrophy?).
(18) The degree of necrosis of ciliary epithelium and atrophy of ciliary processes are directly dependent on the dose of action.
(19) A second operation, total adrenalectomy, resulted in an improvement of the clinical and laboratory findings such as hypokalemia, high blood pressure, muscle atrophy and moon face.
(20) Fiber atrophy of types I and II was equal in the soleus, and that of type II was greater than the type I atrophy in both regions of the plantaris.
Attenuation
Definition:
(n.) The act or process of making slender, or the state of being slender; emaciation.
(n.) The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.
(n.) The process of weakening in intensity; diminution of virulence; as, the attenuation of virus.
Example Sentences:
(1) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
(2) The results are consistent with our previous suggestion that lethality for virulent SFV infection results from a lethal threshold of damage to neurons in the CNS and that attenuating mutations may reduce neuronal damage below this threshold level.
(3) Exposure to nanomolar concentrations of saralasin, an Ang II agonist, attenuated the passage of the fluorophores across the monolayers by 50-75%.
(4) Furthermore, the ability of a vasopressin antagonist to lower arterial pressure in NTS hypertensive rats was markedly attenuated by clonidine treatment.
(5) These results indicate that during IPPV the increased Pcv attenuates the pressure gradient for venous return and decreases CO and that the compensatory increase in Psf is caused by a blood shift from unstressed to stressed blood volume.
(6) Mild, significant improvement was noted in one of the hearing components, "attenuation," and an adverse effect was shown on "distortion," owing to noise.
(7) It inhibits platelet and vascular smooth muscle activation by cGMP-dependent attenuation of the agonist-induced rise of intracellular free Ca2+.
(8) Genetic regulation of the ilvGMEDA cluster involves attenuation, internal promoters, internal Rho-dependent termination sites, a site of polarity in the ilvG pseudogene of the wild-type organism, and autoregulation by the ilvA gene product, the biosynthetic L-threonine deaminase.
(9) Pharmacodynamic relationships are not well established for other therapeutic effects of theophylline, such as attenuation of pharmacologically induced bronchoconstriction.
(10) Propranolol, 0.85 X 10(-6) M, did not significantly depress the ouabain-enhanced rate of phase 4 depolarization but did attenuate the response to epinephrine through beta blockade.
(11) After large bowel removal, there was impaired glucose tolerance and attenuated plasma insulin secretion.
(12) Studies were conducted in isolated, buffer-perfused rat lungs to determine if prostaglandin (PG) E1 attenuated pulmonary edema provoked by hydrogen peroxide (H2O2).
(13) The toxins preferentially attenuate a slow phase of KCl-evoked glutamate release which may be associated with synaptic vesicle mobilization.
(14) The Northern quahaug and a strain of the type 1 attenuated poliovirus were used as the working model.
(15) Our dynamic study indicated that: 1) a bolus injection of contrast medium with our method of CTA (CTA-B) produced an attenuation difference between liver and tumor which was about double that obtained with standard methods for CTA, and 2) marked tumor-liver attenuation differences (above 20 HU) persisted for more than 60 s in CTA-B and for not more than 20 s with conventional methods for CTA.
(16) It appears that the viscosity of the arterial wall must be the major source of attenuation in the larger arteries, while the viscosity of the blood plays a significant role only in the smaller vessels.
(17) Fluid movement out of the ICF space attenuated the decrease in the ECF space.
(18) We show that the two mutants (A44 and A46) affect attenuator control by different mechanisms.
(19) The type I cells are squamous and give off attenuated sheets of cytoplasm which spread widely over the septal surface; these sheets contain few organelles.
(20) A sequence of seven pairings of chili-flavored diet with prompt recovery from thiamine deficiency did significantly attenuate the innate aversion and may have induced a chili preference in at least one case.