heterokeratoplasty

Keratoplasty in which the cornea from one species of animal is grafted to the eye of another species.

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het·ero·ker·a·to·plas·ty (het″ər-o-kerґə-to-plas″te) [hetero- + keratoplasty] corneal transplantation in which tissue is grafted from an animal of one species into one of a different species.