| ILM | insulin-like material; internal limiting membrane |
|---|---|
| NSM | neurosecretory material; neurosecretory motor neuron; nonantigenic specific mediator; nutrient sporu... |
| ORM | orosomucoid; other regulated material; oxygen ratio monitor |
| POMP | phase-offset multiplanar [pulse sequence in magnetic resonance imaging]; principal outer material pr... |
| PRM | phosphoribomutase; photoreceptor membrane; premature rupture of membranes; Primary Reference Materia... |
| CRM | cross reactive material |
|---|---|
| ECM | extra-cellular material |
| PCM | pericentriolar material |
| SAM | surface active material |