蛙片目：蛙片亚门蛙片纲的纤毛寄生原生动物的一个目，具有这一纲的特点，其代表属为蛙片虫属(Opalina)- rhodamine
- rhodanate
- rhodanic acid
- rhodanine
- rhodium
- Rhodnius prolixus
- rhod(o)-
- rhodogenesis
- Rhodomicrobium
- rhodophane
- rhodophylactic
- rhodophylaxis
- Rhodopseudomonas
- rhodopsin
- rhodopsin kinase
- Rhodotorula
- rhodotoxin
- RhoGAM
- rhombencephalon
- rhombocoele
- rhomboid
- rhombomere
- rhonchal, rhonchial
- rhonchus
- Rhopalopsyllus cavicola