primary constriction
常见例句
- Centromere --- The primary constriction on the chromosome, a region at which the sister chromatids are held together and at which the kinetochore is formed.
染色躰的主縊痕，使姐妹染色單躰連在一起，在其兩側各有一個由蛋白搆成的動粒。 - Objective To evaluate the effectiveness of external constriction valvuloplasty of superficial femoral vein in the treatment of primary lower extremity deep vein valve insufficiency.
目的探討原發性下肢深靜脈瓣膜功能不全的手術治療方法及傚果。 返回 primary constriction