[=ulcerative colitis]
溃疡性结肠炎[=umbilical cholesterol]脐
胆固醇[=umbilical cord]
脐带[=unconscious]不省人事,
意识丧失[=undercover narcotics agent]非法麻醉剂,非法毒品贩
[=untreated cell]未经处理的
细胞[=urea clearance]
尿素清除(率)
[=urea cycle]
尿素循环[=urea/creatinine ratio]尿素
肌酐比值
[=urethral catheter]尿
导管[=urethral catheterization]
导尿术[=urine culture]尿培养
[=uterine contractions]
子宫收缩