achalasia

ach·a·la·sia

 (ăk′ə-lā′zhə)

n.

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

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[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.

achalasia

(ˌækəˈleɪzɪə)

n

(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

ach•a•la•sia

(ˌæk əˈleɪ ʒə, -ʒi ə, -zi ə)

n.

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.

Translations

acalasia

a·cha·la·sia

n. acalasia, falta de capacidad de relajación esp. de una abertura o esfínter.

English-Spanish Medical Dictionary © Farlex 2012

achalasia

n acalasia

English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.