Fig. 1
From: Characterization of the development of Haemonchus contortus ZJ strain from gerbils
Morphological features of Haemonchus contortus larvae collected from gerbils. a The vestigial copulatory bursa (white arrows) at the posterior extremity of a male larva 4 days post-infection (dpi). b Posterior extremity of a female larva 4 dpi. c Excretory pore (white arrow) at the rear end of intestine of a female larva 4 dpi. d Buccal capsule at the anterior end of a female larva 4 dpi. e Genital primordium (black arrow) of a female larva 4 dpi. f Genital primordium (black arrow) and vulva ovejector primordium (white arrow) of a female larva 7 dpi. The specific tissues below the cuticle are marked with red arrows in b, c, d and f