Fig. 3From: Catostylus tagi: partial rDNA sequencing and characterisation of nematocyte structures using two improvements in jellyfish sample preparationNematocytes of C. tagi viewed with hematoxylin and eosin staining using optical microscopy. Purple dots indicated nucleus cells; cationic structures coloured red/pink. Arrows in (A, C, D) highlight operculum. a Adult eurytele surrounded by developing nematocytes. b Arrow points out to early stage of nematocyst morphogenesis (orange), developing in the gastric region. c Adult birhopaloid near to developing nematocytes. d Adult isorhizae. Bars: (a) 4 μm; (b) 3 μm; (c and d) 7 μmBack to article page