| SCT | secretin; sex chromatin test; sexual compatibility test; sickle-cell trait; sperm cytotoxicity; spin... |
|---|---|
| AEF | allogenic effect factor; amyloid enhancing factor; aorto-enteric fistula |
| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
| ECAO | enteric cytopathogenic avian orphan [virus] |
| ECBO | enteric cytopathogenic bovine orphan [virus] |