Esophageal achalasia

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Esophageal achalasia, often referred to simply as achalasia, is a failure of smooth muscle fibers to relax, which can cause the lower esophageal sphincter to remain closed. Without a modifier, "achalasia" usually refers to achalasia of the esophagus.

Excerpt from the Wikipedia article “Esophageal achalasia”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: James Heilman, MD, CC BY-SA 3.0, via Wikimedia Commons.