Fig. 1
From: Trichuris trichiura isolated from Macaca sylvanus: morphological, biometrical, and molecular study
Morphology of males of Trichuris sp. from primates. Trichuris sp. from M. sylvanus (a-c), Trichuris colobae [13] (d-f) and Trichuris ursinus [14] (g-i). a-b Posterior end showing spicule (arrowed) and spicule sheath. c posterior end, spiny spicule sheath and cloaca. d Posterior end with spicule invaginated. e-f Posterior end showing cluster of papillae (arrowed). g-h: Posterior end with spicule invaginated. i spiny spicule sheath