- Phenylketonuria
- Phenylpropanolamine
- Phenytoin
- Pheochromocytoma
- Pheomelanin
- Pheophorbide
- Pheromones
- Phi coefficient
- Philosophy of medicine
- Philtrum
- Phimosis
- Phlebitis
- Phlebothrombosis
- Phlebotomus
- Phlebotomy
- Phlebovirus
- Phlegm
- Phlegmasia alba dolens
- Phlegmasia cerulea dolens
- Phlegmon
- Phloem
- Phloretin
- Phloroglucinol
- Phlyctenular keratoconjunctivitis
- Phobias
- Phobic disorders
- Phocomelia
- Pholcodine
- Phon
- Phonation
- Phone
- Phonemes
- Phonemic awareness
- Phonetics
- Phonocardiography
- Phonological awareness
- Phonological loop
- Phonophobia
- Phonophoresis
- Phorate
- Phorbol
- Phorbol esters
- Phoropter
- Phosgene
- Phosgene oxime
- Phosmet
- Phosphagen
- Phosphatase
- Phosphate
- Phosphate binders
- Phosphate buffered saline
- Phosphate ion
- Phosphate nephropathy
- Phosphatidate phosphatase
- Phosphatidic acid
- Phosphatidylcholine
- Phosphatidylethanol
- Phosphatidylethanolamine
- Phosphatidylethanolamine N-methyltransferase
- Phosphatidylglycerol
- Phosphatidylinositol
- Phosphatidylinositol 3-phosphate
- Phosphatidylinositol 4-phosphate
- Phosphatidylserine
- Phosphaturia
- Phosphazene
- Phosphene
- Phosphide
- Phosphides
- Phosphine
- Phosphite
- Phospho soda
- Phosphodiester bonds
- Phosphodiesterase
- Phosphodiesterase 2
- Phosphodiesterase 3
- Phosphodiesterase 4
- Phosphodiesterase inhibitors
- Phosphodiesterase-4 inhibitors
- Phosphoenolpyruvate
- Phosphoenolpyruvate carboxykinase
- Phosphoenolpyruvate carboxylase
- Phosphoethanolamine
- Phosphofructokinase
- Phosphofructokinase 1
- Phosphofructokinase 2
- Phosphoglucomutase
- Phosphoglycerate kinase
- Phosphoglycerate mutase
- Phosphoglycolate phosphatase
- Phosphoinositide 3 kinase
- Phosphoinositide 3-kinase inhibitor
- Phosphoinositide phospholipase C
- Phosphoketolase
- Phospholamban
- Phospholipase
- Phospholipase A1
- Phospholipase A2
- Phospholipase D
- Phospholipase D1
- Phospholipase c
- Phospholipase c gamma
- Phospholipid bilayer
- Phospholipid-hydroperoxide glutathione peroxidase
- Phospholipidosis
- Phospholipids
- Phosphomannomutase
- Phosphomimetics
- Phosphomonoester
- Phosphonates
- Phosphopantetheine
- Phosphopeptide
- Phosphoprotein phosphatase
- Phosphoproteomics
- Phosphor
- Phosphoramidate
- Phosphoramide
- Phosphoramidite
- Phosphoramidon
- Phosphoribosyl pyrophosphate
- Phosphoric acid
- Phosphorolysis
- Phosphors
- Phosphorus 32
- Phosphorus compounds
- Phosphorus pentasulfide
- Phosphoryl
- Phosphorylase
- Phosphorylase kinase
- Phosphorylases
- Phosphorylation
- Phosphorylation cascade
- Phosphorylcholine
- Phosphoserine phosphatase
- Phosphotransferase
- Phosphotransferase system
- Phosphotransferases
- Phosphotyrosine
- Phosvitin
- Photic retinopathy
- Photoacoustic effect
- Photoacoustic imaging
- Photoacoustic microscopy
- Photoactivatable probes
- Photoaffinity labeling
- Photoaging
- Photoallergy
- Photoautotrophs
- Photobacterium
- Photobacterium phosphoreum