OMIA:000083 : Atresia ani

Categories: Digestive / alimentary phene

Links to MONDO diseases: No links.

Cross-species summary: Congenital absence of the anus, causing a buildup of faeces and consequent distension of the abdomen.

Species in which this phene is found:
dog (Canis lupus familiaris)
domestic cat (Felis catus)
pig (Sus scrofa)
llama (Lama glama)
taurine cattle (Bos taurus)
goat (Capra hircus)
sheep (Ovis aries)
alpaca (Vicugna pacos)

Edit History


  • Created by Frank Nicholas on 03 May 2005
  • Changed by Imke Tammen2 on 16 Sep 2021