美木：美木的干燥根茎，为复方白松糖浆的成分- sedation
- sedative
- sedentary
- sediment
- sedimentable
- sedimentation
- sedimentator
- sedopeptose
- seed
- Seeligmüller's sign
- Seessel's pouch(pocket)
- segment
- segmenta
- segmental
- segmentation
- segmenter
- Segmentina
- segmentum
- segregation
- segregator
- Sehrt's clamp(compressor)
- Seidel's scotoma(sign)
- Seidlitz powder;powder test
- Seignettes salt
- seisesthesia