Achalasia

Japanese: achalasia
Achalasia

…(7) Esophageal achalasia A disease in which swallowing disorders occur due to a malfunction of the autonomic nerves involved in the movement of the esophagus and cardia. It is also called cardia spasm, idiopathic esophageal dilatation, cardia achalasia, or simply achalasia. The movement of the digestive tract is controlled by the sympathetic and parasympathetic nerves (vagus nerves), but due to this malfunction, the lower esophageal cardia does not expand sufficiently, food stagnates in the esophagus, and the esophagus expands abnormally. …

*Some of the terminology explanations that mention "achalasia" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…(7)食道アカラシア 食道・噴門部の運動に関与する自律神経の失調により嚥下障害が起きる疾患。噴門痙攣(けいれん)症,特発性食道拡張症,噴門無弛緩症また単にアカラシアachalasiaとも呼ばれる。消化管の運動は,交感神経,副交感神経(迷走神経)によって制御されているが,この失調により下部食道噴門部が十分に広がらず,食物が食道に停滞し,食道が異常に拡張する。…

※「achalasia」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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