基本解釋[細胞] 主縊痕，初級縊痕英漢例句雙語例句Centromere --- The primary constriction on the chromosome, a region at which the sister chromatids are held together and at which the kinetochore is formed.染色體的主縊痕，使姐妹染色單體連在一起，在其兩側(cè)各有一個由蛋白構(gòu)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(fā)性下肢深靜脈瓣膜功能不全的手術(shù)治療方法及效果。primary constriction更多例句詞組短語短語primary y constriction 主縊痕primary constriction更多詞組專業(yè)釋義生物學主縊痕