A scanning electron microscopic study of the extrapulmonary respiratory tract

作者: Peter M. Andrews

DOI: 10.1002/AJA.1001390308

关键词: Olfactory mucosaTransmission electron microscopyAnatomyPathologyUltrastructureBrush CellRuthenium redRespiratory systemBiologyRespiratory tractCell type

摘要: Scanning electron microscopy, sometimes supplemented with transmission was used to study the ultrastructural morphology of extrapulmonary respiratory tract. Material for observation taken from male rat tracts which were fixed in situ and critical point-dried. Goblet cells, brush potential ciliated cornified vestibule cells olfactory mucosa could be distinguished by their characteristic surface morphologies. The distribution these various cell types throughout tract is described. Transmission microscopy material treated ruthenium red reveals that a polyanionic layer coats all cilia, microvilli intervening surfaces on found nasal cavities, trachea bronchi.

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