| DABP | D site albumin promoter binding protein |
|---|---|
| E* | lesion on the erythrocyte cell membrane at the site of complement fixation |
| FMR | fragile site mental retardation [syndrome]; Friend-Moloney-Rauscher [antigen] |
| fra | fragil [site] |
| FRAXE | X-linked mental retardation-fragile site [syndrome] |