noun
pulmonary circulation
Medical term for the circulation of blood between the heart and lungs. Often contrasted with 大循環 (systemic circulation).
See also: 肺循環
小循環は、心臓から肺へ血液を送る経路です。
Pulmonary circulation is the pathway that sends blood from the heart to the lungs.
Compound of 小 (small) and 循環 (circulation), referring to the smaller circulatory loop through the lungs.