noun
physiological saline; normal saline; saline solution
Medical term for a sterile 0.9% sodium chloride solution used in IV drips, wound cleaning, and laboratory settings.
See also: 生理食塩水
手術中、患者に生理的食塩水を点滴した。
During the surgery, physiological saline was administered intravenously to the patient.
食塩水 is a general term for any salt water, while 生理的食塩水 specifically refers to the medical-grade isotonic saline solution.
Compound of 生理的 (physiological) + 食塩水 (salt water), a calque from English 'physiological saline'.