真细菌目：，过去分类体系中为裂殖菌纲(Schizomycetes)中的一目，由所谓真细菌(即有周鞭毛的细菌)组成- dysaptation
- dysarteriotony
- dysarthria
- dysarthric
- dysarthrosis
- dysautonomia
- dysbarism
- dysbasia
- dysbetalipoproteinemia
- dysbolism
- dyscalculia
- dyscephaly
- dyschesia
- dyschezia
- dyschiasia
- dyschiria
- dyscholia
- dyschondroplasia
- dyschromasia
- dyschromatopsia
- dyschromia
- dyschronism
- dyschylia
- dyscinesia
- dyscoimesis