| bHLH | basic helix-loop-helix |
|---|---|
| bHLH-ZIP | basic helix-loop-helix-leucine zipper |
| HLH | helix-loop-helix; hemophagocytic lymphohistiocytosis |
| TF | free thyroxine; tactile fremitus; tail flick [reflex]; temperature factor; testicular feminization; ... |
| HD | Haab-Dimmer [syndrome]; Hajna-Damon [broth]; Hansen disease; hearing distance; heart disease; helix ... |