Hierarquia Anatômica

Anatomia geral > Sistema digestório > Vesícula biliar > Ducto cístico > Prega espiral (Valva de Heister)

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Descrição

The mucous membraneof cystic duct, lining its interior is thrown into a series of crescentic folds (spiral fold), from five to twelve in number, similar to those found in the neck of the gall-bladder. They project into the duct in regular succession, and are directed obliquely around the tube, presenting much the appearance of a continuous spiral valve. When the duct is distended, the spaces between the folds are dilated, so as to give to its exterior a twisted appearance.


Esta definição inclui textos do site wikipedia – Wikipedia: enciclopédia libre (22 de julho de 2004). FL: Wikimedia Foundation, Inc. Recuperado no dia 10 de agosto de 2004, de http://www.wikipedia.org

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