| CDG | central developmental groove |
|---|---|
| DA | dark adaptation; dark agouti [rat]; daunomycin; degenerative arthritis; delayed action; Dental Assis... |
| DART | developmental and reproductive toxicology |
| DBDG | distobuccal developmental groove |
| DDH | developmental dysplasia of the hip; Diploma in Dental Health; dissociated double hypertropia |