同类系的，近交系动物的：除单一遗传基因位点不同外，其他遗传学上完全一样- Schick's sign,test(reaction)
- Schiefferdecker's disk,theory
- Schiff's biliary cycle
- Schiff's reagent,test
- Schilder's disease(encephalitis)
- Schiller's test
- Schilling blood count
- Schilling test
- Schimmelbusch's disease
- schindylesis
- Schinus
- schistasis
- schisto-
- schistocelia
- schistocephalus
- schistocoelia
- schistocormia
- schistocormus
- schistocystis
- schistocyte
- schistocytosis
- schistomelia
- schistomelus
- schistoprosopia
- schistoprosopus