OMIA 000083 : Atresia ani

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:
domestic cat (Felis catus)
pig (Sus scrofa)
llama (Lama glama)
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