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Patent urachus repair - series—Normal anatomy

Normal anatomy


The urachus is a tube that connects the bladder to the umbilicus during fetal development. After birth, the urachus normally closes and becomes a ligament.

Review Date 10/9/2012

Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Louis S. Liou, MD, PhD, Chief of Urology, Cambridge Health Alliance, Visiting Assistant Professor of Surgery, Harvard Medical School. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.

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