染色体：同chromosome- pachynsis
- pachyntic
- pachyonychia
- pachypelviperitonitis
- pachyperitonitis
- pachypleuritis
- pachyrhizid
- pachysalpingitis
- pachysalpingo-ovaritis
- pachytene
- pachyvaginalitis
- pachyvaginitis
- pacing
- pacinian corpuscles
- Pacini's corpuscles
- pack
- packer
- packing
- pad
- Padgett's dermatome
- padimate A
- padimate O
- pae-
- Paecilomyces
- Paederus