(a.) Paleness; want of color; pallidity; as, pallor of the complexion.
Example Sentences:
(1) Other changes, such as incomplete infarction or myelin pallor with gliosis, have been described.
(2) The intravideographic variability for pallor histogram values ranged from 0.82% to 2.94%.
(3) The mean birth weight and height were significantly greater in the control group, and no control infant had an episode of cyanosis or pallor or repeated episodes of profuse sweating observed during their sleep.
(4) The presence or absence of pallor in 951 individuals and their haemoglobin levels were matched, defining haemoglobin of 10 g dl-1 or less as representing anaemia.
(5) Ascites, fever, wasting, pallor, and abdominal tenderness were common findings.
(6) Variability in taking measurements of the pallor area of the optic nerve head is mainly due to observer variations rather than the image variations.
(7) The child had COHb concentration 18%, pallor, tachycardia, tachypnoea, raised blood pressure, tonic seizures and loss of consciousness.
(8) Manifestations include intermittent claudication, diminished or absent pulsations, pallor, and trophic changes.
(9) These early atherosclerotic lesions included a localized cloudy thickening with pallor, slight elevation, a non-fibrotic lesion and gray-white or yellowish-white, firm, elevated fibrous plaques.
(10) Two patients had initial unilateral papillary pallor associated with P100 amplitude alterations.
(11) Gross lesions consisted of disseminated hemorrhages, bone marrow pallor, a variety of changes suggesting septicemia, and overwhelming bacterial infection.
(12) Moderate gliosis and glial nodules, sometimes associated with perivascular infiltrates and white matter pallor, were observed at 1 month (intracerebral injection) and 2 months (intravenous injection), and remained unchanged until 12 months post-inoculation.
(13) In this article, we try to show the importance of the dynamic test of the papilla (dynamic provoked circulatory response): measuring the change in pallor of the rim during an artificial increase in the intraocular pressure.
(14) Only those parental observations were considered which reported the infant to be asleep with no apparent equipment malfunction following an apnea alarm (with or without pallor, cyanosis, or the provision of external stimulation) or a low heart rate alarm associated with pallor, cyanosis, or stimulation.
(15) The pallor of the frontal white matter in PSVE is mainly based on the loss of nerve fibres, and may be in part based on the thin myelin sheaths.
(16) In the past, indications for transfusion have included tachypnea, tachycardia, poor weight gain, apnea, bradycardia, pallor, lethargy, decreased activity, or poor feeding.
(17) Multiple regression analysis revealed that, in addition to ocular hypertension, the significant factors associated with a change in optic disc pallor were change of ocular pressure, standard deviation of the ocular pressures, presence of vascular hypertension, and standard deviation of vascular pulse pressures.
(18) The Doppler score, pallor and coldness of the hand all had some value.
(19) Clinical characteristics were the same in all cases, including limpness, severe dysautonomic disorders, and pallor; all infants had retinal and pre-retinal haemorrhages.
(20) The sensitivity and specificity of standardized pallor measurements (49% and 57%, respectively, for this database) were not as good as those for stereoscopic measurements of disc rim area in the same database (70% and 73%).
Pigmentation
Definition:
(n.) A deposition, esp. an excessive deposition, of coloring matter; as, pigmentation of the liver.
Example Sentences:
(1) The results also suggest that the dispersed condition of pigment in the melanophores represents the "resting state" of the melanophores when they are under no stimulation.
(2) Differences between the albino vs pigmented strains were observed following injections of saline.
(3) Two lectins, wheat germ agglutinin (WGA) and peanut agglutinin (PNA), were used to compare domains within the interphotoreceptor matrices (IPM) of the cat and monkey, two species where the morphological relationship between the retinal pigment epithelium (RPE) and photoreceptors is distinctly different.
(4) Uptake studies with 22Na were performed in cultured bovine pigmented ciliary epithelial cells, in order to characterize mechanisms of Na+ transport.
(5) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
(6) The evolution and function of multiple forms of a given photosynthetic pigment in vivo are discussed.
(7) Changes in protein phosphorylation induced by phagocytic challenge were identified in cultured rat retinal pigment epithelium (RPE) following exposure to isolated rat rod outer segments (ROS) or to polystyrene latex microspheres (PSL).
(8) Both categories frequently showed pellagrous pigmentation and mucocutaneous signs of B-vitamin deficiency.
(9) We show that, in digitonin-permeabilized goldfish xanthophores, the pigment organelles can be induced to disperse by a combination of cAMP, ATP, and xanthophore cytosol.
(10) A red pigment produced by the actinomycete strain B 4358 was identified as butyl-meta-cycloheptylprodiginine (4) by 1H, 13C and correlation via long range coupling NMR spectra.
(11) Two unusual types of oral mucosal pigmentation are reported.
(12) These results are consistent with the idea that RPE pigment dispersion is triggered by a substance that diffuses from the retina at light onset.
(13) Rhabdomeres are substantially smaller and visual pigment is nearly eliminated when Drosophila are carotenoid-deprived from egg to adult.
(14) It is hypothesized that deposition of bilirubin in tissues takes place as an ongoing event, the deposited pigment being eliminated by bilirubin oxidase in healthy infants.
(15) The calculated separation between the centers of these two pigments (using an extended version of the exciton theory) is about 10 A, the pigments' molecular planes are tilted by about 20 degrees, and their N1-N3 axes are rotated by 150 degrees relative to each other.
(16) We have investigated enhancement of pigmentation in inbred C3H- mice using tail skin as a model for testing the effects of phosphorylated DOPA (DP) and ultraviolet radiation.
(17) Although mucocutaneous pigmentation was not present in two of the three patients, the features of intestinal polyposis are consistent with those of Peutz-Jeghers syndrome.
(18) Cytochromes b, c(555), possibly c(1), cytochrome oxidase, a carbon monoxide-binding pigment, and flavoproteins were detectable in the spectra of both intact cells and mitochondria.
(19) The addition of alcohol to the drinking-water resulted in the formation of stones rich in pigment.
(20) The total number of neuronal cell bodies was 25% lower in AIDS (P less than 0.01) than in 12 age-matched controls, although the volume density of neuronal melanin did not differ from that of controls because the percentage of pigmented cell bodies was higher (P less than 0.01) and the cell bodies were more fully packed with melanin in AIDS.