Doct - dysp
- Doctor of Medicine
 - Doctor of Osteopathy
 - doctoral program in nursing
 - documentation
 - docusate
 - Doederlein's bacillus
 - Doehle's bodies
 - Dohle's inclusion bodies
 - Dohle-Heller disease
 - dolichocephaly
 - doll's eye reflex
 - doll's head maneuver
 - dolor
 - DOM
 - domain
 - dome fracture
 - dominance
 - dominant eye
 - dominant gene
 - dominant group
 
- dominant idiotype
 - dominant trait
 - Don Juan
 - Donath-Landsteiner syndrome
 - Done nomogram
 - donor
 - donor card
 - Donovan bodies
 - donut pad
 - dopa
 - dopamine
 - dopamine hydrochloride
 - dopaminergic
 - dopaminergic receptor
 - Dopple probe
 - Doppler color flow
 - Doppler echocardiography
 - Doppler effect
 - Doppler scanning
 - Doppler shift