Fig. 5. The fish exposed to Carpesii Fructus until 96 hpf were stained with acridine orange (AO). Additional apoptotic cells stained with AO appeared mainly in the heart region (white arrow). Control (A); 140 mg L^–1 (B); 170 mg L^–1 (C). The normal apoptotic cells were absent in treated larvae (red box): control (D); 170 mg L^–1 (E).