| ECRB | extensor carpi radialis brevis |
|---|---|
| ECRL | extensor carpi radialis longus |
| ECU | environmental control unit; extended care unit; extensor carpi ulnaris |
| ED | early-decision [applicant]; early differentiation; ectodermal dysplasia; ectopic depolarization; eff... |
| EDB | early dry breakfast; electron-dense body; extensor digitorum brevis |