Fig. 2

Representative DIC micrographs of selected developmental stages in H. glycines and their corresponding timeline in hours after the 2-cell egg. Major pre-hatch development stages were determined through long-term imaging in hanging drops. a 2-cell stage; b 3-cell stage; c 4-cell stage; d gastrula; e tadpole; f J1; g J2 with fully formed stylet (arrow). Scale, 15 μm