noun
venous blood
Medical term for blood returning to the heart through veins. Contrasts with 動脈血 (arterial blood).
See also: 動脈血
静脈血は酸素が少なく、二酸化炭素を多く含んでいる。
Venous blood is low in oxygen and high in carbon dioxide.
Arterial blood, which is oxygen-rich and flows away from the heart, as opposed to venous blood.
Compound of 静脈 (vein) + 血 (blood).