| Abbreviation | Definition |
|---|---|
| MCC | Motor Control Center |
| MCD | Mad Cow Disease |
| MCD | Minimal Change Disease |
| MCEC | Murine Cardiac Endothelial Cell line |
| MCG | MiCroGram |
| MCH | Major Histocompatibility Complex |
| MCH | Mean Cell Hemoglobin |
| MCH | Melanin- Concentrating Hormone |
| MCH | Multidimensional Cellular Healing |
| MCI | Millicurie |
| MCI | Mobile Computer Injury |
| MCL | Medial Collateral Ligament |
| MCL | Medial Cruciate Ligament |
| MCL | Medical Consultants Network, Inc. |
| MCL | MidClavicular Line |
| MCM | Mucous Cell Metaplasia |
| MCN | MusculoCutaneous Nerve |
| MCNI | Medical Consultants Network, Incorporated |
| MCP | Mean Circulatory Pressure |
| MCP | MetaCarpophalangeal Joint |