Anat. [mod. L., ad. Gr. οὐραχός urinary canal of a fœtus.] A fibrous cord binding the apex of the bladder to the anterior abdominal wall and the peritoneal folds.
[1578. Banister, Hist. Man, V. 83 b. Out of the higher part and middest of the bottome of the bleddar a way springeth … called Vrachos.]
1615. Crooke, Body of Man (1631), 213. The ligament of the bladder cald Vrachus.
1646. [see ALLANTOIS].
1661. Lovell, Hist. Anim. & Min., Introd. b 5 b. To the urachus the umbilicall arteries are joyned.
1728. Chambers, Cycl., s.v. Umbilical, The Urachus is only plainly found in Brutes.
1788. Encycl. Brit. (ed. 3), I. 742. These fibres have been considered as the urachus, though without having been ever found pervious.
1804. Med. Jrnl. XII. 14. From their uniting part arose the umbilical vessels, meeting as usual the urachus.
1890. Retrospect Med., CII. 336. An enormously dilated urachus.
