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pp.199-202
Published Date 1953/4/20
DOI https://doi.org/10.11477/mf.1492200880

MUKUNO makes observations on 3 cases of esophageal foreign body that occurred at the region of so-called 2nd constriction by ob-jects which were neither pointed nor sharp. The causative agent in a woman aged 57 was a piece of cuttle fish; in a woman aged 42, by a piece of meat; in an infant aged 2 years and 9 months, by paper currency. The author maintains that the site of obstruction is not precisely at the 2nd esophageal constriction which has been generally understood as the site of predilection from anatomico-physiological point of view but, it is in the region where the middle third of the esophagus joins the lower third or about the point where the muscula-ture of the esophageal wall begins to be composed solely of smooth muscles. The cause of spasm and obstruction in this area rests more or less on peculiaries of anatomical structure of the organ, of actions of the smooth muscles and of the nerve supply; beyond which and added to is the peculirity of unusual stimulation of the sympathetic nervous system. The author believes that the name, area of functional constriction, is more appro-priate for this region of the esophagus.


Copyright © 1953, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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