FIG. 2 in TEM observations on symbionts of Joenia annectens (Flagellata Hypermastigida)

FIG. 2. Electron micrographs of J. annectens: (A) low magni®cation of cell surface showing peripheral cytoplasm and extracellular adherent prokaryotes; (B, C) particular of adherent spirochaetes. Arrowheads point to plasma membrane thickening. cw 5 bacterial cell wall; lb 5 1ysosomal body; r 5 ribosomes; rsb 5 rod-shaped bacteria; sp 5 spirochaetes; w 5 wood. (A) Ö7500; (B) Ö26 500; (C) Ö40,500.