略語大辞典 [Med] 22 MSU midstream specimens of urine 中取り尿検体. 急性尿路感染症患者の検体.midstream specimens of urine; a test sample from patients with symptoms of acute UTI(urinary tract infection); [Med:Bio:Chem]. 丸善「略語大辞典」JLogosID : 11861922