[=racemic epinephrine](外)消旋
肾上腺素[=radio exposure]
放射性照射
[=radium emanation]镭射气
[=readmission]再入院,再住院
[=reaumur scale]列氏温标
[=rectal examination]
直肠检查
[=reemission]再发射
[=reference]参考资料,参考
[=reflux esophagitis]
反流性食管炎[=regarding]关于
[=regional enteritis]局限性回肠炎,
节段性回肠炎[=relating]关于,与……有关
[=renal excretion]
肾脏排泄[=repetitive extrasystole]重复性
早搏[=resistance to emulsion number]抗
乳化值
[=reticulo-endothelium]网状内皮
[=retinal elevation]
视网膜隆凸
[=retinol equivalent]
视黄醇当量[=reynold's number]雷诺值,雷诺数:液体的流速乘以管的直径,再除以循环液体的运动粘滞度所得的积
[=rhenium]铼
[=right ear]右耳
[=right eye]右眼
[=roentgen-equivalent]
伦琴当量