Eccles R
Common Cold and Nasal Research Centre, University of Wales College of Cardiff, Cardiff, UK.
Eur Respir J. 1996 Feb;9(2):371-6. doi: 10.1183/09031936.96.09020371.
This review describes the phenomenon of the nasal cycle, which consists of periodic congestion and decongestion of the nasal venous sinusoids. The hypothesis is put forward that the nasal venous sinusoids participate in respiratory defence by generation of plasma exudate. This hypothesis is based on recent studies, which have shown that the nasal venous sinusoids have a fenestrated endothelium and that the nasal cycle is increased during periods of nasal infection; and also on a series of older observations in the literature, which link the generation of nasal fluid to the decongestion of nasal venous sinusoids. It is proposed that the periodic congestion and decongestion of nasal venous sinusoids may provide a pump mechanism for the generation of plasma exudate, and that this mechanism is an important component of respiratory defence.
本综述描述了鼻周期现象，该现象由鼻静脉窦的周期性充血和充血消退组成。有人提出假说，鼻静脉窦通过产生血浆渗出物参与呼吸防御。这一假说基于最近的研究，这些研究表明鼻静脉窦具有有窗孔的内皮，且在鼻感染期间鼻周期会增强；还基于文献中的一系列较早观察结果，这些观察结果将鼻液的产生与鼻静脉窦的充血消退联系起来。有人提出，鼻静脉窦的周期性充血和充血消退可能为血浆渗出物的产生提供一种泵机制，且这一机制是呼吸防御的重要组成部分。
