Fig. 2.

Drawings of Trichuris sp. from Macaca sylvanus. a Male, posterior end, spiny spicule sheath, spicule, spicule tube and proximal and distal cloacal tube, lateral view. b Male, detail of the posterior end, lateral view. c Male, cloaca subterminal with one pair of pericloacal papilla, lateral view. d Female, esophagus-intestine junction, vulva and vagina, lateral view. e Female, posterior end, lateral view. f and g Eggs