VALVE SECTION OF THE EUSTACHIAN-TUBE
VALVE SECTION OF THE EUSTACHIAN-TUBE
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DOI：
10.1017/s0022215100130531
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发表时间：
1995-06-01
影响因子：
1.7
通讯作者：
SU, CY
中科院分区：
文献类型：
--
作者：
SU, CY
利用颞骨-咽鼓管（ET）标本连续切片，对咽鼓管及其相关管旁结构进行了研究。在尸体研究中，ET的软骨中段呈现弯曲的裂缝状管腔。据信，该部分主要起瓣膜机制的作用，并且像ET的主动括约肌一样起作用。本文介绍了一种利用超细纤维显微内窥镜观察活体食管内瓣膜的动态运动。本文还讨论了由于不同病因引起的病变ET瓣膜部分开闭机制的紊乱。这项研究表明，经鼓膜ET显微内窥镜有相当大的潜力，探索迷人的新方面的生理，病理生理和解剖动力学的ET。
Research on the eustachian tube (ET) and related paratubal structures was carried out by serial section of the temporal bone-ET specimens. In the cadaveric studies, the mid-cartilaginous section of the ET presented a curved slit-like lumen. It is believed that this section functions principally as a valve mechanism and acts like an active sphincter of the ET. This report illustrates the dynamic movement of the valve section in a living ET which can be observed by using a superfine fibreoptic videomicroendoscope. Disorders of the open-close mechanism of the valve section in a diseased ET due to different aetiologies are also discussed. This study indicated that transtympanic ET microendoscopy had considerable potential for exploring fascinating new aspects of the physiology, pathophysiology and anatomy dynamics of the ET.