羟〔基〕丁酸：一种有毒的酸，化学式为CH3CHOHCH2COOH，有时出现在糖尿病(酮症酸中毒)的尿中，有时在血液中，通常有好几种异构体。另见beta-oxybutyric a.项下- axiobuccocervical
- axiobuccogingival
- axiobuccolingual
- axiocervical
- axiodistal
- axiodistocervical
- axiodistogingival
- axiodistoincisal
- axiodisto-occlusal
- axiogingival
- axioincisal
- axiolabial
- axiolabiogingival
- axiolabiolingual
- axiolingual
- axiolinguocervical
- axiolinguogingival
- axiolinguo-occlusal
- axiomesial
- axiomesiocervical
- axiomesiodistal
- axiomesiogingival
- axiomesioincisal
- axiomesio-occlusal
- axio-occlusal