Definitions
• Allograft (synonymous with the old term homograft) — an organ
or tissue transplanted from one individual to another.
• Syngeneic graft (isograft) — a transplant between identical
twins.
• Orthotopic graft — a transplant
placed in its normal anatomical site.
• Heterotopic graft — a transplant
placed in a site different to that where the organ is normally located.
• Xenograft — a graft performed between different species.