部分缺失：正常系列中的某一缺失或分离，如某一椎骨的缺失- penicilli
- penicilliary
- penicillic acid
- penicillin
- penicillinase
- penicillin-fast
- penicilliosis
- Penicillium
- penicilloyl-polylysine
- penicillus
- Peniculina
- peniculus
- penile
- penillamine
- penilloaldehyde
- penis
- penischisis
- penitisk
- pennate
- penniform
- Penn seroflocculation reaction
- pennyroyal
- penoscrotal
- Penrose drain
- pentabasic