Fig. 5From: The toxic effects of phorate on early embryonic stages of sedentary polychaete Hydroides elegans (Haswell, 1883)Normal embryonic development of Hydroides elegans up to the larval stage. a FM stage. b 2-cell stage. c 3-cell stage. d 4-cell stage. e 8-cell stage. f 64-cell stage. g Blastula rotation stage. h Release stageBack to article page