health service manager - hex B
- helicotrema
- Helidac
- Helie
- heliencephalitis
- helio-
- helioaerotherapy
- heliopathy
- heliophobe
- heliophobia
- heliosin
- heliosis
- heliotaxis
- heliotherapy
- heliotrope rash
- heliotropism
- Heliox
- Heliozoea
- helium
- helium-3
- helium-4
- helium-neon laser
- helix
- Helix, double
- Helixate
- hellebore
- helleborin
- helleborism
- helleborus
- Heller
- Heller cardiomyotomy
- Heller esophagomyotomy
- Heller esophagomyotomy (myotomy operation)
- Heller myotomy
- Heller operation
- Heller plexus
- Heller plexus
- Heller's operation
- Heller's syndrome
- Heller's test
- Hellerwork