| FSD | focus-skin distance |
|---|---|
| HD | Haab-Dimmer [syndrome]; Hajna-Damon [broth]; Hansen disease; hearing distance; heart disease; helix ... |
| HDLW | distance from which a watch ticking is heard by left ear |
| HDRW | distance from which a watch ticking is heard by right ear |
| IC | icteric, icterus; immune complex; immunoconjugate; immunocytochemistry; immunocytotoxicity; impedanc... |