Categories: Nervous system phene

Possible human homologue (MIM number): 143000 (trait)

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)

Species in which this phene is found:
dog (Canis lupus familiaris)
domestic cat (Felis catus)
horse (Equus caballus)
taurine cattle (Bos taurus)