BRONQUIOS SEGMENTARIOS PDF

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IBE, C. ISSN Specifically, the trachea, bronchi and lungs were stained with Haematoxylin and eosin, Alcian blue at a pH of 2. Three cell types were identified in saggital sections of the trachea: the ciliated cells, basal cells and mucous cells.

Fibers of the trachealis muscles in the laminar propria separated the underlying cartilages from the basal cells. Mucous cells were visible only in the membranous portion of the trachea and they were predominant in the rostral and caudal portion of the trachea.

Lobar bronchi consisted of cuboidal epithelium and a layer of one or two smooth muscle cells and opened into segmental bronchi and respiratory bronchiole.

Some tracheal cartilaginous rims stained blue with AB while most glandular cells stained red with PAS. The diameter of respiratory bronchiole, alveoli duct and alveoli were These and other findings were compared with similar report in other rodents.

Estos y otros resultados se compararon con el informe similar en otros roedores. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Casilla D Temuco - Chile Tel.

BIEN DOTADO LAWRENCE SCHIMEL PDF

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The epithelium and airway smooth muscles of patients with chronic obstructive pulmonary disease COPD or bronchial asthma undergo certain structural changes that are probably related to increased expression of inflammatory molecules and cell growth factors. Studying the relation between disease and changes in bronchial smooth muscle is difficult if investigation is restricted to samples from autopsies or thoracotomies. This study was designed to evaluate the probability of obtaining bronchial smooth muscle by endoscopic bronchial biopsy in patients with COPD and from individuals with normal lung function, the relation of disease to bronchial epithelial histology, and the potential usefulness of studying airway muscle remodeling events.. Forty-two patients undergoing diagnostic fiberoptic bronchoscopy were enrolled. Bronchial biopsies were taken systematically from the lobar and segmental dividing ridges.

LIQUEN SIMPLE CRONICO PDF

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