نتایج جستجو برای: white spots

تعداد نتایج: 200902  

Journal: :Frontiers for Young Minds 2021

So, what is vitiligo? Vitiligo a condition in which people lose the cells skin that give it color. These are called melanocytes. leaves affected individuals with white spots scattered across their skin. This article includes background information on structure. It then explores causes and treatment of vitiligo. Finally, we discuss impact vitiligo can have mental health.

Journal: :Journal of the Optical Society of America. A, Optics, image science, and vision 1997
D H Brainard W A Brunt J M Speigle

Most empirical work on color constancy is based on simple laboratory models of natural viewing conditions. These typically consist of spots seen against uniform backgrounds or computer simulations of flat surfaces seen under spatially uniform illumination. We report measurements made under more natural viewing conditions. The experiments were conducted in a room where the illumination was under...

Journal: :Science 1998
Williams Revenaugh Garnero

The statistical correlation between the locations of hot spots at the surface of Earth and the distribution of ultra-low-velocity zones at the base of the mantle has about a 1 percent chance of arising randomly. This correlation is more significant than that between hot spots and negative velocity anomalies in tomographic models of deep mantle compressional and shear velocity. This correlation ...

2003
K. Beuermann

The structure of the near-polar accretion spots on accreting magnetic white dwarfs has been studied theoretically and observationally in numerous papers over the last decade. Detailed treatments are available for the regime of low mass flux, usually termed the bombardment case, and for higher mass fluxes which create a strong shock standing above the photosphere of the white dwarf. No general t...

Journal: :Journal of the Chinese Medical Association : JCMA 2008
Tsung-Yu Ho Po-Kang Lin Cheng-Hsiung Huang

Ocular ischemic syndrome (OIS) is characterized by ocular symptoms and signs that are secondary to severe carotid artery obstruction. We report a 69-year-old man who suffered from progressively blurred vision in both eyes. Fundus examination showed scattered areas of retinal hemorrhage, some with a white center, in both eyes. Fluorescence angiography revealed multiple microaneurysm-like hyperfl...

Journal: :Endoscopy 2014
Chang Jun Shin Seung Goun Hong Mahn Lee

by endoscopic resection A 45-year-old man presented with hematochezia during the 3 days prior to his admission. His past history included hemophilia without any major bleeding events. His vital signs were stable and his physical examination was unremarkable. Initial laboratory findings revealed a hemoglobin of 8.6g/dL, hematocrit of 40.3%, platelet count of 336×109/L, prothrombin time of 11.9 s...

Journal: :The Festivus 2022

This paper describes a new subspecies of Amphidromus palaceus (Mousson 1849b) from Nyalindung, West Java, Indonesia. Both have similar animal coloration andproduce dextral or sinistral shells. The shell the differs nominotypical A. by having pale-colored stripes marking resting stages, lack brown subsutural spots blotches and presence smoother sculpture, less recurved lip margin thicker white p...

Journal: :Indian Journal of Animal Research 2023

Background: The eggs of hens are an essential source protein, a food that meets human needs and provides the body with amino acids, metallic elements vitamins promote its health. research aims to study influence storage period strain interaction between them on components internal external quality traits commercially produced brown white-shell eggs. Methods: A total 180 were randomly collected ...

Journal: :Veterinary parasitology 2010
J Boes A Kanora K T Havn S Christiansen K Vestergaard-Nielsen Jos Jacobs L Alban

Scientific investigations of production losses in pigs due to roundworms are rarely conducted in commercial farms, despite the fact that this information is needed to decide whether anthelmintic treatment is cost-effective or not. Therefore, the aim of our study was to compare performance in fattening pigs treated or not treated for Ascaris suum infections. Two Danish pig farms producing fatten...

Journal: :Marine Biodiversity 2021

Abstract Recent sampling efforts and examinations of museum material provided evidence for a complex species within Acroteriobatus leucospilus (Norman, 1926). The present manuscript contains redescription A. involving the syntypes additional material, as well formal descriptions two new Giltay, 1928. All specimens both were found in western Indian Ocean. Individuals first species, hereafter ref...

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