OMIA:001197-9796 : Horner syndrome in Equus caballus (horse)

In other species: dog , domestic cat , taurine cattle

Categories: Nervous system phene

Links to possible relevant human trait(s) and/or gene(s) in OMIM: 143000 (trait)

Mendelian trait/disorder: unknown

Considered a defect: yes

Cross-species summary: Due to damage to the sympathetic nerves of the face - characterised by miosis (constriction of the pupil), ptosis (drooping of the upper eyelid), and anhidrosis (absence of sweating of the face)

Cite this entry

Nicholas, F. W., Tammen, I., & Sydney Informatics Hub. (2005). OMIA:001197-9796: Online Mendelian Inheritance in Animals (OMIA) [dataset].


1996 Bacon, C.L., Davidson, H.J., Yvorchuk, K., Basaraba, R.J. :
Bilateral horners syndrome secondary to metastatic squamous cell carcinoma in a horse Equine Veterinary Journal 28:500-503, 1996. Pubmed reference: 9049502.

Edit History

  • Created by Frank Nicholas on 06 Sep 2005