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Pronunciation: ak-ă-lā′zē-ă

Definition: Failure to relax; referring especially to visceral openings such as the pylorus, cardia, or any other sphincter muscle.

[G. a- priv. + chalasis, a slackening]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.