[səˈkʌmfərəns]
周缘，环状面：圆形物体的外侧界线或边缘
习惯用语articular circumference
环状关节面：同circumferentia articularis，见circumferentia项下的特定名称- hahnium
- HAI
- Haidinger's brushes
- Haines' formula(coefficient),reagent,test
- hair
- hairball
- haircap
- haircast
- halation
- halazepam
- halazone
- halcinonide
- Haldane chamber (apparatus)
- Haldol
- Haldrone
- Hales' piesimeter
- half-life
- half-time
- half-value
- halfway house
- halide
- hali-ichthyotoxin
- halisteresis
- halisteretic
- halitosis