| D1 | diagonal one; first dorsal vertebra |
|---|---|
| D2 | diagonal two; second dorsal vertebra |
| D3-12 | third to twelfth dorsal vertebrae |
| DC | daily census; data communication; data conversion; decrease; deep compartment; Dental Corps; deoxych... |
| DCC | day care center; detected in colon cancer; dextran-coated charcoal; diameter of cylindrical collimat... |