Pacinian corpuscles - parvus
- papainase
- Papanicolaou
- Papanicolaou smear
- Papanicolaou stain
- Papanicolaou stain test (smear)
- Papanicolaou test
- papataci fever
- Papaver
- Papaveraceae
- papaveretum
- papaverine
- papaverine hydrochloride
- papaw
- papaya
- papayotin
- PAPC
- paper
- paper chromatography
- paper electrophoresis
- paper plate
- paper point
- paper-doll fetus
- paperbark
- Papez
- Papez circuit
- Papez circuit
- PAPF
- papilla
- papilla ductus parotidei
- papilla duodeni major
- papilla duodeni minor
- papilla gingivalis
- papilla incisiva
- papilla interdentalis
- papilla lacrimalis
- papilla mammae
- papilla nervi optici
- Papilla of Vater
- papilla pili
- Papilla, cancer of