复数： villi

The protein f-actin , stained red , covers the surface of each villus .

被染成红色的“纤维型肌动蛋白”（theproteinf-actin）覆盖每个绒毛的表面。

Morphology of small intestinal villus cells in treated mice .

小鼠小肠绒毛组织细胞形态。

On cultured chorionic villus cells .

对培养的绒毛细胞。

Amniocentesis and chorionic villus sampling in twin gestations : which is the best sampling technique ?

双胞胎妊娠宜采用羊膜穿刺术还是绒毛膜绒毛取样：哪一项是最佳的取样技术？

Each villus is richly supplied with blood which passes through a network of tiny tubes called capillaries .

血液流过称为微血管的毛细血管网，丰富地供应给每一根绒毛。