noun
perfusion
Medical term for the passage of fluid through the circulatory system or lymphatic system to an organ or tissue, or the artificial delivery of fluids.
臓器移植では、灌流液を使って臓器を保存する。
In organ transplantation, a perfusion solution is used to preserve the organ.
この装置は血液の灌流を維持するためのものです。
This device is for maintaining blood perfusion.
循環 refers to general circulation or cycling, while 灌流 specifically means perfusion, often in a medical context.
From 灌 (irrigate, pour) and 流 (flow). The term is used in modern medical contexts for perfusion.