نتایج جستجو برای: alveoli
تعداد نتایج: 2401 فیلتر نتایج به سال:
Background: Placental transmogrification of the lung is a very rare benign disease with characteristic finding being alveoli resembling chorionic villi placenta. The purpose this study was to assess computed tomography (CT) findings placental in six patients and their relation histopathologic findings.
Of the aspidogastrids Multicalyx cristata, Lobatostoma ringens, Cotylogaster basiri, and C. dinosoides sp. n., the last two had not been previously known from the Gulf of Mexico. The latter differs from other members of its genus by having relatively large equatorial marginal alveoli in comparison to those at the anterior and posterior ends of the holdfast. It also possesses extensive transvers...
Here we report a tracking X-ray microscopy (TrXM) as a novel methodology by using upper right lung apices alveoli in live intact mice. By enabling tracking of individual alveolar movements during respiration, TrXM identifies alveolar dynamics: individual alveoli in the upper lung apices show a small size increment as 4.9 ± 0.4% (mean ± s.e.m.) during respiration while their shapes look almost i...
TO THE EDITOR: We have paid close attention to the new advances in pulmonary mechanics from Dr. Perlman’s group and herein thank Dr. Perlman for her interest in our model (3). Dr. Perlman believes that surface tension between adjacent alveoli tends to be equal due to diffusion and Maranongi effects and she further poses recent experimental evidence supporting her argument. But this is true only...
Pulmonary alveolar proteinosis (PAP) is a rarely seen disease of the alveoli, characterized by accumulation of proteinous material, which stains positive with periodic acid Schiff, in the alveoli. Secondary PAP may develop as a result of occupational exposure to materials such as silica and indium. In the paper, together with a review of the relevant literature, we present an uncommon case of a...
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