Rodney Robert Porter，英国生物化学家，1917～1985；因其用胃蛋白酶作用于抗体产生Fc(可结晶的)和Fab(连接抗原的)片段的抗体化学结构的研究，于1972年与Gerald Maurice Edelman共同获得诺贝尔医学生理学奖- NIOSH
- niperyt
- nipple
- Nippostrongylus
- Nipride
- Nirenberg
- niridazole
- nisbuterol mesylate
- Nisentil
- nisin
- nisobamate
- nisoxetine
- Nissen operation
- Nissl bodies (granules, substance),degeneration,method of staining
- nisterime acetate
- nisus
- nit
- Nitabuch's layer(stria,zone)
- nitarsone
- nitavirus
- niter
- nithiamide
- niton
- nitramine
- nitramisole hydrochloride