FIG. 6 in TEM observations on symbionts of Joenia annectens (Flagellata Hypermastigida)

FIG. 6. Electron micrographs of J. annectens. (A) Particular of the periaxostylar mass. Arrow indicates one bacterium containing endospore;arrowhead indicates bacterium in apparent division stage. lb 5 lysosomal body; ps 5 perisymbiotic membrane; rb 5 roundish bacteria. (B) Particular of peripheral cytoplasm showing lysosomal bodies (lb) and pinocytotic tubules (pt); note ¯agellate plasma membrane thickening at sites of spirochaete attachment (arrowheads) and its ®brils (arrow). w 5 wood. (A) Ö40 500; (B) Ö30 000.