索虫总科：无尾觉器线虫(aphasmids)的一个总科，包括索虫科(Mermithidae)的卷心菜虫，其幼虫可因食物或水污染而意外地发现于人体消化道- acephaly
- acepromazine maleate
- Aceraria
- acerin
- acerola
- acervuline
- acescence
- acescent
- acetabula
- acetabular
- Acetabularia
- acetabulectomy
- acetabuloplasty
- acetabulum
- acetal
- acetaldehydase
- acetaldehyde
- acetaldehyde dehydrogenase
- acetaldehyde reductase
- acetamide
- acetamidine
- acetaminophen
- acetanilid
- acetarsol
- acetarsone