GABA - grou
- GABA
- GABA transaminase inhibitor
- galactic space radiation
- Galgenhumor
- gallows humidity
- galvanic skin reflex
- galvanic threshold
- gamma alcoholism
- gamma wave
- gamma-amino-butyric acid
- gamma-aminobutyric acid
- gamma-efferent nerve
- ganglionic block
- Ganzfeld
- gap of continuous reaction task
- GAPSI
- garment
- gas exchange system
- gas mask
- gas production
- gas sensor
- gas-filled bladder
- gaseous environment
- gaseous requirements
- gasp
- gasping
- gastric distress
- gastric vertigo
- Gauer
- gaze stabilization task
- gaze-evoked nystagmus
- GD
- gelatinous layer
- gelatinous membrane
- general adaptation syndrome
- general aviation accident
- general aviation psychosocial inventory
- General cerebrum of Education Examination
- general classification test
- general discomfort