椎实螺属：其中阿陆椎实螺(L. ollula)与类卜椎实螺(L. bulimoides)是肝片形吸虫的第一中间宿主；其他是引起血吸虫皮炎的血吸虫的宿主- submaxillary
- submedial, submedian
- submembranous
- submental
- submersion
- submetacentric
- submicroscopic,submicroscopical
- submorphous
- submucosa
- submucosal
- submucous
- subnarcotic
- subnasal
- subnasale
- subnasion
- subnatant
- subneural
- subnitrate
- subnormal
- subnormality
- subnotochordal
- subnucleus
- subnutrition
- suboccipital
- suborbital