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  • Title: Reduction of rat pleural microvilli caused by noise pollution.
    Author: Oliveira MJ, Pereira AS, Ferreira PG, Grande NR, Aguas AP, Guimaräes L, Freitas D, Carvalho AP.
    Journal: Exp Lung Res; 2003; 29(7):445-54. PubMed ID: 14710437.
    Abstract:
    Scanning electron microscopy (SEM) was used to investigate whether chronic exposure to noise modifies pleural morphology. Rats were submitted to 8-h/day schedule of noise that is similar to the working hours at cotton-mill rooms. Morphometry of the area occupied by microvilli on the pleural surface showed a decrease in microvilli after 3 months of rat exposure to noise. The reduction of microvilli was 10% after 3 months of noise exposure (reaching 20% after 7 months of noise treatment) and is consistent with pleural effusions found in some of the patients working in noise-polluted environments.
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