OMIA 000044 : Anencephaly/Exencephaly

Possible human homologues (MIM numbers): 182940 (trait) , 206500 (trait) , 301410 (trait) , 619452 (trait)

Cross-species summary: Congenital absence of the cranial vault, with the cerebral hemispheres completely missing or reduced to small masses. This phene was originally called anencephaly, but a recent review suggested that the term anencephaly/exencephaly is more appropriate.

Species in which this phene is found:
greater Indian rhinoceros (Rhinoceros unicornis)
cattle (Bos taurus)
sheep (Ovis aries)
Indo-pacific bottlenose dolphin (Tursiops aduncus)

Edit History


  • Created by Frank Nicholas on 03 May 2005
  • Changed by Hamutal Mazrier on 26 Jul 2021
  • Changed by Imke Tammen2 on 18 Mar 2022
  • Changed by Imke Tammen2 on 23 Mar 2022