Fig. 4

Ultrastructure of the strain S13. a General view of the anterior part of the cell. b Flagellar tip. c Longitudinal section through flagellar pocket. d Transverse section through a flagellar pocket with two flagella. e Four kinetosomes (indicated by numbers). f, g Longitudinal and transverse sections of the kinetoplast. h Dividing kinetoplast. i Golgi apparatus and two interphase nuclei of irregular shape. All symbols and abbreviations are the same as in Fig. 3. Scale bars: a 2 μm, b 0.25 μm, c, e 1 μm, d, f–i 0.5 μm