Subs - syne
- subscapularis
- subscriber
- subserous fascia
- subsistence
- subspecialty
- substance
- Substance Abuse and Mental Health Services Administration
- substance dependence
- substance P
- substance use prevention
- substance use treatement
- substandard
- substantia gelatinosa
- substantia innominata
- substantia nigra
- substantive epidemiology
- substantivity
- substernal
- substernal goiter
- substitution
- substrate
- substrate depletion phase
- substratum
- subsystem
- subtask work
- subthalamus
- subtotal
- subtotal hysterectomy
- subtrochanteric osteotomy
- subungual
- subungual hematoma
- subunit vaccine
- subventricular zone
- succinic acid
- succinylcholine chloride
- succussion splash
- suck
- sucking blisters
- sucking reflex
- sucrose
