Milestones in Research of Upper Respiratory Cilia

Ge, Tremble

doi:10.1001/archotol.1962.00740050356010

Archives of Otolaryngology - Head and Neck Surgery

1962

DOI: 10.1001/archotol.1962.00740050356010

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Milestones in Research of Upper Respiratory Cilia

Tremble Ge¹

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Cited by 6 publications

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The morphological substrate of autonomic regulation of the bronchial epithelium

Philippou

Sommerfeld

Wiese

et al. 1993

Vichows Archiv A Pathol Anat

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Observations of explanted bronchial mucosa show that ciliary function is maintained for 7 days subsequent to explanation. This finding demonstrates that non-neural mechanisms exist which regulate ciliary function. Ultrastructural and immunohistochemical studies both for light and electron microscopy were performed on human bronchial biopsy material and lung resection specimens in order to recognize the morphological substrate of this regulatory mechanism. A complex system of cytokeratin filaments and microtubules radiate through the whole cytoplasm of ciliated cells with direct contact to the nucleus, cilia, microvilli, desmosomes and to the apical terminal adhesive complex. Between the basal bodies and the apical terminal adhesive complex microfilaments can be found. In the apical cytoplasm a dense filamentary network is seen in association with the adhesive complex. These morphological findings indicate that the cytoskeleton of the bronchial epithelium plays a key role in the co-ordination of ciliary function.

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The morphological substrate of autonomic regulation of the bronchial epithelium

Philippou

Sommerfeld

Wiese

et al. 1993

Vichows Archiv A Pathol Anat

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Wpływ aerodynamiki przepływu powietrza przez nos na fizjologię nosa

Betlejewski

Betlejewski²

2008

Otolaryngologia Polska

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The ability of the human nose to warm and humidify the respiratory air is important to maintaining the internal environment of the lungs, since ambient air is conditioned to nearly alveolar conditions (body temperature and fully saturated with water vapour) upon reaching the nasopharynx. Because of very short time of the inspiratory phase duration, as well as expiratory phase, only the rich vascularization of the nasal mucosa and specific organization of the submucosal vessels are not able to assure such effective physiological activity. Therefore the type of airflow during the respiration is essential to understanding the functional possibilities of the nasal mucosa. Most studies have investigated the airflow only in steady-flow conditions, where the laminar flow was observed. Anatomically accurate physical models of real nasal cavities and particle image velocimetry allow evaluation of the entire flow field in the nasal cavity. In these investigations a partially turbulent flow was observed even at low air velocities in most part of the nasal cavity. From a physiological perspective, a turbulent flow would seem sensible, since it enhances contact between air and the mucosal layer. By doing so, the nasal physiological functions - humidification, cleaning and warming are optimized.

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LXVI Recent Electron Studies with Special Reference to Respiratory Cilia

Ge¹

1967

Ann Otol Rhinol Laryngol

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Milestones in Research of Upper Respiratory Cilia

Cited by 6 publications

References 7 publications

The morphological substrate of autonomic regulation of the bronchial epithelium

The morphological substrate of autonomic regulation of the bronchial epithelium

Wpływ aerodynamiki przepływu powietrza przez nos na fizjologię nosa

LXVI Recent Electron Studies with Special Reference to Respiratory Cilia

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