OMIA:000249-9031 : Cyclopia in Gallus gallus (chicken)

In other species: dog , domestic cat , horse , pig , taurine cattle , sheep , rabbit , American mink

Categories: Vision / eye phene , Craniofacial phene

Mendelian trait/disorder: unknown

Considered a defect: yes

Cross-species summary: A congenital developmental disorder characterised by a single orbital fossa (eye socket). Named after the race of one-eyed giants of Greek mythology. In humans, this disorder is often associated with a chromosomal abnormality.

Cite this entry

Nicholas, F. W., Tammen, I., & Sydney Informatics Hub. (2005). OMIA:000249-9031: Online Mendelian Inheritance in Animals (OMIA) [dataset].


1956 Landauer, W. :
Cyclopia and related defects as a lethal mutation of fowl Journal of Genetics 54:219-235, 1956.

Edit History

  • Created by Frank Nicholas on 06 Sep 2005