Fig. 2.

Preparation steps of liver parenchyma made of agarose-wax mixture; (a): HEC powder and propanediol in 100 mL of water in the first beaker, heated to 140 °C; (b): The solution allowed to cool to 100 °C; (c): BZK added using a dropper; (d): Paraffin wax powder in 50 mL of water in a second beaker, heated to 90 °C; I: cool first solution to 90 °C, add the wax solution; (f): agarose powder in 50 mL of water in a third beaker, heated to 50-60 °C; (g): second solution cooled to 60 °C and agarose solution added.