Ancylostoma duodenale
Grayish-white in color. The body is slightly ventrally curved. The anterior end follows the body curvature. The buccal cavity is provided ventrally with pairs of teeth and dorsally with a notched dental plate. Distribution: This species is found in the northern part of the world including China, Japan, Europe, North Africa and Ethiopia.
Morphology
Male:
The male measures 10 cm in length. The posterior end is broadened into a membraneous copulatory bursa that is provided with two long spicules.
Female:
The female measures 12 cm in length. The posterior end is straight.
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