Fig. 2From: Enhancement of hemostatic properties of Cyclotella cryptica frustule through genetic manipulationSEM images of different C. cryptica lines. WT, overexpression, and knockdown lines are shown in a–i. Blue and yellow arrows indicate fultoportulae on the valve rim and fultoportula on the central area. Green and pink arrows point out the missed fultoportulae and abnormal ribsBack to article page