Fig. 4
From: Development of two species of the Trypanosoma theileri complex in tabanids
Semithin cross sections of the hindgut (isolate 194Tab). Richardson stain. a, b Trypanosomes on the ileum cuticle. c, d Posterior portion of ileum, containing only symbiotic bacteria. e Rectal valve. f Rectal ampulla with one of the six rectal glands. bs bacterial symbionts, cf cuticle folds, cu cuticle, ep intestinal epithelium, he hemocoel, lu intestinal lumen, mu muscles of the intestine, rg rectal gland, tr trypanosome cells. Arrows in a and c show trypanosomes and bacteria, respectively. Scale: a 50 µm; b, d 10 µm; c, e 40 µm; f 100 µm