放射免疫：因反复照射有时产生的一种对放射敏感性降低的状态- metathalamus
- Metatheria
- metatherian
- metathesis
- metathetic
- metathrombin
- metatroph
- metatrophia
- metatrophic
- metatrophy
- metatypic
- metatypical
- metavanadate
- metaxalone
- metaxenia
- Pentatrichomonas
- pentavalent
- pentazocine
- pentdyopent
- pentene
- pentetate calcium trisodium
- pentetic acid
- penthienate bromide
- Penthrane
- penthrit