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Related to cricopharyngeal achalasia: cricopharyngeal myotomy, Zenker's diverticulum


The failure of a ring of muscle fibers, such as a sphincter of the esophagus, to relax.

[New Latin : a- + Greek khalasis, relaxation (from khalān, to loosen).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Medicine) pathol failure of the cardiac sphincter of the oesophagus to relax, resulting in difficulty in swallowing
[New Latin, from a-1 + Greek chalasis relaxation]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌæk əˈleɪ ʒə, -ʒi ə, -zi ə)

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 + Greek chálas(is) (chala-, s. of chalân to loosen + -sis -sis) + -ia]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


n. acalasia, falta de capacidad de relajación esp. de una abertura o esfínter.
English-Spanish Medical Dictionary © Farlex 2012


n acalasia
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
A review of literature revealed patulous UES in a patient with amyotrophic lateral sclerosis, who presented with cricopharyngeal achalasia and was treated by cricopharyngotomy using transnasal endoscopy (12).
(1,5,6,9) The exact cause of the defect is not known, the prevailing theory for years having been inco-ordination between contraction of the pharynx and relaxation of the upper sphincter, the so-called 'cricopharyngeal achalasia. (2) On barium study it is seen as a contrast-filled sac posterior to the cervical oesophagus, which may extend into the mediastinum (Fig.
Management options for inclusion body myositis are often limited to supportive efforts, such as myotomy to relieve dysphagia caused by cricopharyngeal achalasia, said Dr.