noun Etymology: New Latin, from a- + Greek chalasis slackening + New Latin -ia Date: 1914 failure of a ring of muscle (as the anal sphincter or one of the esophagus) to relax

New Collegiate Dictionary. 2001.

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  • Achalasia — Classification and external resources A CXR showing achalasia ( arrows point to the outline of the massively dilated esophagus ) ICD 10 K …   Wikipedia

  • achalasia — Failure to relax; referring especially to visceral openings such as the pylorus, cardia, or any other sphincter muscles. [G. a priv. + chalasis, a slackening] a. of the cardia SYN: esophageal a.. cricopharyngeal a. functional …   Medical dictionary

  • achalasia — ˌakəˈlāzh(ē)ə noun ( s) Etymology: New Latin, from a (II) + Greek chalasis loosening, relaxation (from chalan to loosen + sis) + New Latin ia …   Useful english dictionary

  • Achalasia — La Achalasia es una rara enfermedad en la cual el esófago se encuentra inhabilitado para llevar el alimento hacia el estómago …   Enciclopedia Universal

  • achalasia — /ak euh lay zheuh, zhee euh, zee euh/, n. Med. inability of a circular muscle, esp. of the esophagus or rectum, to relax, resulting in widening of the structure above the muscular constriction. [1910 15; A 6 + Gk chálas(is) (chala (s. of chalân… …   Universalium

  • achalasia — noun A neuromuscular problem where a ring of muscles is unable to fully relax …   Wiktionary

  • achalasia — n. inability of muscles to relax (Medical) …   English contemporary dictionary

  • achalasia — [ˌakə leɪzɪə] noun Medicine a condition in which the muscles of the lower part of the oesophagus fail to relax, preventing food from passing into the stomach. Origin early 20th cent.: from a 1 + Gk khalasis loosening + ia1 …   English new terms dictionary

  • achalasia — ach·a·la·sia …   English syllables

  • achalasia — cardiospasm; n. a condition in which the normal muscular activity of the oesophagus (gullet) is disturbed, especially failure of an abnormally strong sphincter at the lower end, which delays the passage of swallowed material. It may occur at any… …   The new mediacal dictionary

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