1. Of or arising from physiological causes rather than being psychogenic in origin
   "somatogenic theories of schizophrenia"
   - somatogenetic

See also: physical

• railroad track
• railroad train
• railroad tunnel
• railroad vine
• railroad worm
• railroad yard
• railroader
• railroading
• rails
• railway
• railway bed
• railway car
• railway carriage
• railway junction
• railway line
• railway locomotive
• railway siding
• railway station
• railway system
• railway track
• railway train
• railway tunnel
• railway yard
• railwayman
• railyard