- Physiatrist
- Physical abuse
- Physical activity
- Physical activity level
- Physical chemistry
- Physical dependence
- Physical disability
- Physical disorders
- Physical education
- Physical examination
- Physical exercise
- Physical exertion
- Physical fitness
- Physical inactivity
- Physical intimacy
- Physical literacy
- Physical stimulation
- Physical therapy
- Physical therapy education
- Physical urticaria
- Physician
- Physician Orders for Life-Sustaining Treatment
- Physician self-referral
- Physiological arousal
- Physiological conditions
- Physiological cross-sectional area
- Physiological effect
- Physiological effects
- Physiological stress
- Physiological tremor
- Physiologically based pharmacokinetic modelling
- Physiology
- Physiome
- Physostigma venenosum
- Physostigmine
- Phytane
- Phytanic acid
- Phytantriol
- Phytase
- Phytate
- Phytic acid
- Phytoalexin
- Phytobezoar
- Phytochelatin
- Phytochemicals
- Phytochemistry
- Phytoestrogens
- Phytofluene
- Phytohaemagglutinin
- Phytohemagglutinin
- Phytol
- Phytolacca
- Phytolacca americana
- Phytomenadione
- Phytonutrients
- Phytophotodermatitis
- Phytophthora infestans
- Phytoremediation
- Phytoreovirus
- Phytosome
- Phytosphingosine
- Phytosteroids
- Phytosterols
- Phytotherapy
- Phytotoxins
- Pia mater
- Piblokto
- Pibrentasvir
- Pica
- Piceatannol
- Pichia
- Pichia pastoris
- Pick disease
- Pick's disease
- Pickering emulsion
- Pickling
- Pickwickian syndrome
- Piclamilast
- Picobirnavirus
- Picolinate
- Picoline
- Picoplatin
- Picornaviridae
- Picornaviruses
- Picric acid
- Picrotoxin
- Picture Superiority Effect
- Picture archiving and communication system
- Pidilizumab
- Piebaldism
- Piecemeal necrosis
- Piedra
- Pierre Robin sequence
- Pierre Robin syndrome
- Pifithrin
- Pigeon pea
- Pigment cells
- Pigment dispersing factor
- Pigment dispersion syndrome
- Pigmentation
- Pigmentation disorder
- Pigmentation disorders
- Pilar cysts
- Pilates
- Pili
- Pilin
- Pill organizer
- Pilocarpine
- Pilocytic astrocytoma
- Piloleiomyoma
- Pilomatricoma
- Pilomatrixoma
- Pilonidal cyst
- Pilosebaceous unit
- Pimaric acid
- Pimavanserin
- Pimecrolimus
- Pimelic acid
- Pimobendan
- Pimozide
- Pimples
- Pin Index Safety System
- Pinacidil
- Pinane
- Pinaverium bromide
- Pincer grasp
- Pincer nails
- Pindolol
- Pine nut oil
- Pine nuts
- Pine oil
- Pine tar
- Pineal gland
- Pinealoblastoma
- Pinealocyte
- Pinealocytes
- Pinealoma
- Pineapple
- Pinellia ternata
- Pinene
- Pineoblastoma
- Pineocytoma
- Pinguecula
- Pinhole occluder
- Pinkwashing
- Pinna
- Pinobanksin
- Pinocarveol
- Pinocembrin
- Pinocytosis