双岐杆菌属：放线菌目，放线菌科的一属革兰氏阳性厌氧菌。染色呈不规则的分叉成Y及V型的杆状及棍棒状或匙形
习惯用语Bifidobacterium adolescentis
青春双岐杆菌：由人粪、阑尾、阴道、龋牙及脓肿分离出的菌种Bifidobacterium bifidum
两岐双岐杆菌：存在于成人和母乳喂养及人工喂养的婴儿的消化道和粪中Bifidobacterium cornutum
角状双岐杆菌：同Eubacterium lentumBifidobacterium eriksonii
埃氏双岐杆菌：由人粪及人的皮下和肺病损中分离出来的双岐杆菌Bifidobacterium infantis
婴儿双岐杆菌：存在于母乳喂养的婴儿粪中的主要双岐杆菌- ketosteroid
- ketosuria
- keto-tetrahydrophenanthrene
- ketotetrose
- ketotic
- ketotransferase
- ketourine
- ketoxime
- keV,kev
- key
- keynote
- Key-Retzius connective tissue sheath, foramen
- kg.
- khellin
- Khorana
- KI
- kibisitome
- kidney
- Kielland's(Kjelland)forceps
- Kiernan's spaces
- Kiesselbach's area(space)
- kil
- Kilian's line
- killeen
- Killian-Freer operation