The word "syngenic" or "syngeneic" (from the Greek word for a relative) means genetically identical, or sufficiently identical and immunologically compatible as to allow for transplantation. For example, it may be used for something transplanted from an
identical twin
Twins are two offspring produced by the same pregnancy.MedicineNet > Definition of TwinLast Editorial Review: 19 June 2000 Twins can be either ''monozygotic'' ('identical'), meaning that they develop from one zygote, which splits and forms two ...
. When the cells are collected from the same patient on whom they will be used, a graft is called
autologous
Autotransplantation is the organ transplantation, transplantation of Organ (anatomy), organs, Biological tissue, tissues, or even particular proteins from one part of the body to another in the same person (''wikt:auto-, auto-'' meaning "self" ...
. Syngeneic refers to a graft transferred between genetically identical animals or people.
A syngeneic graft is known as an
isograft.
Related terms include:{{cn, date=December 2021
:autogeneic, referring to
autotransplantation
Autotransplantation is the organ transplantation, transplantation of Organ (anatomy), organs, Biological tissue, tissues, or even particular proteins from one part of the body to another in the same person (''wikt:auto-, auto-'' meaning "self" ...
, also termed autograft, (from one part of the body to another in the same person)
:allogeneic, referring to
allotransplantation
Allotransplant (''allo-'' meaning "other" in Greek) is the transplantation of cells, tissues, or organs to a recipient from a genetically non-identical donor of the same species. The transplant is called an allograft, allogeneic transplant, ...
or an allograft (from other individual of same species).
:xenogeneic, referring to
xenotransplantation or a xenograft (from other species).
References
Transfusion medicine