| MITT | Myers introduction to type |
|---|---|
| MMPI | matrix metalloproteinase specific for collagen type I; Minnesota Multiphasic Personality Inventory |
| NCTC | National Cancer Tissue Culture; National Collection of Type Cultures |
| NF1 | neurofibromatosis type I; nuclear factor 1 |
| NF2 | neurofibromatosis type II |