| FFU | femur-fibula-ulna [syndrome]; focal forming unit |
|---|---|
| uln | ulna, ulnar |
| AIN | acute interstitial nephritis; American Institute of Nutrition; anterior interosseous nerve |
| AIS | Abbreviated Injury Scale; amniotic infection syndrome; androgen insensitivity syndrome; anterior int... |
| FDI | first dorsal interosseous [muscle]; International Dental Federation [Federation Dentaire Internation... |