FIGURE 2.

Schematic diagram of preparing the operation dish. (A) Two ways to add samples to the microinjection pipette. One is from the tail with another pipette injecting the sample, and the other is to use the microinjection pipette itself to aspirate the sample from its injection tip. The second one was used in our study. (B) An operation and PVP drop and one or several sample drops are included in the operation dish. A lid rather than a 35- or 60-mm Petri dish itself would be a better container for making the operation dish.