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Medical Term:


Pronunciation: pro'to-du'o-de'num


The first part of the duodenum, which extends from the gastroduodenal pylorus as far as the major duodenal papilla and develops from the caudal foregut of the embryo; it has no plicae circulares and is the location of the duodenal glands.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.