［拉］〔NA〕颊：面部两侧的肌性部分
习惯用语bucca cavioris
口〔腔〕颊：口腔侧壁的肌性部分，与口角相延续- nimazone
- Nimeh's method
- NIMH
- nimidane
- nimodipine
- NINDB
- Ninhydrin
- niobium
- Nionate
- 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