noun
transplant organ; replacement organ
Medical term for an organ that is transplanted or used as a replacement.
移植臓器の不足が深刻な問題になっている。
The shortage of transplant organs has become a serious problem.
臓器移植 refers to the act or process of organ transplantation, while 移植臓器 refers to the organ itself that is transplanted.
Compound of 移植 (transplant) and 臓器 (organ).