这些线代表数层细胞，包括红细胞层，血小板层及纤维蛋白层，它们以血栓的形式存在于血管内。

These lines represent layers of red cells, platelets, and fibrin which are layed down in the vessel as the thrombus forms.

youdao

这些线代表数层细胞，包括红细胞层，血小板层及纤维蛋白层，它们以血栓的形式存在于血管内。

These lines represent layers of red cells, platelets, and fibrin which are layed down in the vessel as the thrombus forms.

youdao