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Definition: a series of crescentic folds of mucous membrane in the upper part of the cystic duct, arranged in a somewhat spiral manner.
Synonym(s): plica spiralis ductus cysticiTA, Amussat valve, Heister valve, spiral valve of cystic duct, valvula spiralis
Examples: glitazone, GI cocktail, etc.
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Data sources include Micromedex™ (updated Apr 16th, 2012), Cerner Multum™ (updated May 18th, 2012), Wolters Kluwer™ (updated Apr 29th, 2012) and others.
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