{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,20]],"date-time":"2025-09-20T19:39:41Z","timestamp":1758397181206},"reference-count":26,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2005,2,3]],"date-time":"2005-02-03T00:00:00Z","timestamp":1107388800000},"content-version":"vor","delay-in-days":14219,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Anat. Rec."],"published-print":{"date-parts":[[1966,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The embryology and anatomy of the urachus has been described and documented in some mammals. Though rare, the anomalies associated with the urachus represent such a hazard to life that, in man at least, the incidence and treatment have been recorded regularly. Documentation of the presence of the persistent urachus in animals was not as complete. References in recent literature described the anomalous urachus in only a few dogs, cows, and horses.<\/jats:p><jats:p>This study reported an impervious urachal canal from the urinary bladder to the umbilicus in a female \u201cminiature\u201d pig of the Pitman\u2010Moore strain. The urachus observed was similar to previous descriptions given for domestic swine and other species but was reported because of the increasing use of swine as laboratory animals and the dearth of specific information in the literature concerning these animals.<\/jats:p>","DOI":"10.1002\/ar.1091540315","type":"journal-article","created":{"date-parts":[[2005,2,26]],"date-time":"2005-02-26T23:53:51Z","timestamp":1109462031000},"page":"701-703","source":"Crossref","is-referenced-by-count":4,"title":["Persistent urachus \u2014 an observation in miniature swine"],"prefix":"10.1002","volume":"154","author":[{"given":"Morris Eugene","family":"Weaver","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,2,3]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"165","article-title":"The urachus and umbilical fistulae","volume":"45","author":"Begg R. C.","year":"1927","journal-title":"Surg. Gynec. 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Urol."},{"key":"e_1_2_1_9_1","volume-title":"Diseases of the Umbilicus","author":"Cullen T. S.","year":"1916"},{"key":"e_1_2_1_10_1","first-page":"45","article-title":"L'ouraque et les fistules urinaires de l'ombilic","volume":"51","author":"Duclaux H.","year":"1932","journal-title":"Rev. de Chir. (Paris)"},{"key":"e_1_2_1_11_1","first-page":"302","article-title":"The treatment of the patent urachus","volume":"71","author":"Dudgeon J.","year":"1940","journal-title":"Surg. Gynec. Obstet."},{"issue":"7","key":"e_1_2_1_12_1","first-page":"397","article-title":"Persistierender Urachus bei einem Hunde mit Harnblasensteinen","volume":"44","author":"Eisenmenger E.","year":"1956","journal-title":"Wein. Tierarztl. Monschr."},{"key":"e_1_2_1_13_1","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1016\/S0022-5347(17)71539-X","article-title":"Patent urachus","volume":"52","author":"Garvin E. J.","year":"1939","journal-title":"J. Urol."},{"key":"e_1_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/00007611-193707000-00009"},{"key":"e_1_2_1_15_1","first-page":"143","article-title":"Urachal remnant of domestic animals as compared to that of man and two cases of particularly involuted urachus in equines","volume":"33","author":"Jamdar M. N.","year":"1956","journal-title":"Indian Vet. J."},{"key":"e_1_2_1_16_1","first-page":"39","article-title":"Pervious urachus in a heifer calf","volume":"23","author":"Joseph F.","year":"1947","journal-title":"Indian Vet. J."},{"key":"e_1_2_1_17_1","first-page":"734","article-title":"Patent urachus","volume":"55","author":"Lloyd F. A.","year":"1951","journal-title":"Urol. and Cut. Rev."},{"key":"e_1_2_1_18_1","series-title":"Proc. Ninth Conf. Res. Council on Research","first-page":"109","volume-title":"Miniature pigs as experimental animals for medical and nutritional research","author":"Lundberg W. P.","year":"1957"},{"key":"e_1_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM193607302150505"},{"key":"e_1_2_1_20_1","first-page":"251","article-title":"Pervious urachus in a bull calf","volume":"3","author":"Marais I. P.","year":"1934","journal-title":"Onderstepoort J. Vet. Sci."},{"key":"e_1_2_1_21_1","first-page":"372","article-title":"Persistent urachus associated with pyelonephritis","volume":"33","author":"Mochado A. V.","year":"1943","journal-title":"Cornell Vet."},{"key":"e_1_2_1_22_1","first-page":"370","article-title":"A patent urachus and umbilical hernia in a cow","volume":"122","author":"Racker C. W.","year":"1953","journal-title":"J. Amer. Vet. Med. Ass."},{"key":"e_1_2_1_23_1","first-page":"295","article-title":"Sui derivati patologici dell 'uraco negli animali domestici. cisti vera dell 'uracho sede di flogosi fibrino purulenta in un vitello","volume":"1","author":"Raggi L.","year":"1947","journal-title":"Atti. Soc. Ital. Sci. 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