交感神经原细胞：发育成交感神经细胞的未分化的胚胎细胞- 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
- paed-, paedo-
- PAF
- PAF-acether