恶丝虫病：感染恶丝虫属寄生虫- pachygyria
- pachyleptomeningitis
- pachymeninges
- pachymeningitis
- pachymeningopathy
- pachymeninx
- pachynema
- pachynesis
- pachynsis
- pachyntic
- pachyonychia
- pachypelviperitonitis
- pachyperitonitis
- pachypleuritis
- pachyrhizid
- pachysalpingitis
- pachysalpingo-ovaritis
- pachytene
- pachyvaginalitis
- pachyvaginitis
- pacing
- pacinian corpuscles
- Pacini's corpuscles
- pack
- packer