English to Russian Science Biology (-tech,-chem,micro-)

A method according to concept 5, wherein blood produced by said method is reintroduced to a "recipient human subject".
In one embodiment, the recipient human subject is the same "donor human subject" from whom the sample was removed. In another embodiment, the recipient human subject is different to the donor human subject. When the recipient is different to the donor, it is preferable that the donor is of the same gender as the recipient subject. In another embodiment, the donor may be of a similar age and ethnicity as the recipient subject. In another embodiment, the donor may have the same or similar allotype markers as the recipient subject.


о чем здесь речь recipient human subject is the same donor human subject?
Спасибо!