Why is it possible to perform a liver transplant using just a small part of a donor’s liver, but for other organs (kidney, heart, etc) the donor would have to donate the whole organ?
AFAIK, the simple answer is a healthy liver can regenerate a single lobe or two as the liver can be broken down fractionally. Kidneys and hearts and etc, aren’t able to be fractional organs and be viable for transplant. It’s all or nothing.
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