| IDEM tumor | Intra-Dural Extra-Medullary tumor |
|---|---|
| XL | 1) X-Linked 2) Extra Large |
| BASE | B27-arthritis-sacroiliitis-extra-articular features [syndrome] |
| COEPS | cortical originating extra-pyramidal system |
| ED | early-decision [applicant]; early differentiation; ectodermal dysplasia; ectopic depolarization; eff... |