| MER | Methanol Extraction Residue |
|---|---|
| mer | mercury resistance |
| mERG | multifocal electroretimogram |
| MERGL | Met-enkephalin Arg6-Gly7-Leu8 |
| MERRF | Myoclonic Epilepsy and Ragged Red Fibers |
| MERRF | Myoclonic epilepsy with ragged-red fibers |
| MERRF | Myoclonus epilepsy associated with ragged-red fibers |
| MERRF | Myoclonus epilepsy with ragged-red fibers |
| MERRF | myoclonus epilepsy and ragged red fiber |