Perfuziya (az lot. regfusio — rekhtan, jori namudan), usuli ba raghoi khunguzari uzv, qismi badan yo tamomi organizm firistodani mahlulhoi fiziologi, khun va gayra. Az Peru dar fiziologiyai amali istifoda mebarand. Vay baroi faoliyati uzvhoro muddati muayyan nigoh doshtan, funksiyai onhoro omukhta, tasiri gormonho, fermentho, mediatorho va doruvorro ba organizm tadqiq kardan imkon medihad.
Peruro hangomi ivaz kardani uzvu boftaho (nig. Transplantasiya) niz ba kor mebarand. Dar sharoiti muqarrari az khun tamin kardani uzvhoi badan (masalan, Perui gurda, magzi sar va gayra)» ki ba vazi kori dil va tonusi raghoi khunguzar vobasta ast, hamchunin Peru nomida meshavad.