surgical operation, surgical procedure, surgical process, surgery, operation - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery"

corneal graft, corneal transplant, keratoplasty - a surgical procedure in which part or all of a damaged or diseased cornea is replaced by healthy corneal tissue from a donor

xenotransplant, xenotransplantation - a surgical procedure in which tissue or whole organs are transfered from one species to another species