| ECU | environmental control unit; extended care unit; extensor carpi ulnaris |
|---|---|
| ENC | environmental control |
| FCS | faciocutaneoskeletal syndrome; fecal containment system; feedback control system; fetal calf serum; ... |
| FWPCA | Federal Water Pollution Control Administration |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |