OMIA:000781-9791 : Patent urachus in Equus zebra

In other species: domestic cat , sheep , white rhinoceros , dog

Categories: Embryo phene

Links to MONDO diseases: No links.

Mendelian trait/disorder: unknown

Considered a defect: yes

Cross-species summary: The urachus is a canal present in the foetus, connecting the bladder with the allantois via the navel. It normally disappears after birth. A patent urachus is one which persists after birth, allowing urine to drip out of the bladder through the umbilicus.


2003 Ndung'u, F.K., Ndegwa, M.W., deMaar, T.W. :
Patent urachus with subsequent joint infection in a free-living Grevy's zebra foal Journal of Wildlife Diseases 39:244-5, 2003. Pubmed reference: 12685093 .

Edit History

  • Created by Frank Nicholas on 06 Sep 2005