| H+ | hydrogen ion |
|---|---|
| MAC | MacConkey [broth]; major ambulatory category; malignancy-associated changes; maximum allowable conce... |
| MPC | marine protein concentrate; maximum permissible concentration; mean plasma concentration; meperidine... |
| g-ion | gram-ion |
| ISS | idiopathic short stature; injury severity score; International Society of Surgery; ion-scattering sp... |