| HAM | hearing aid microphone; helical axis in motion; human albumin microsphere; human alveolar macrophage... |
|---|---|
| HBT | human brain thromboplastin; human breast tumor |
| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
| hCT | human calcitonin; human chorionic thyrotropin |
| HEK | human embryo kinase; human embryonic kidney |