1)
Eggs.
2)
Anterior portion of a male showing cervical alae (swollen cuticle)
3)
Posterior end of a male showing genital organs.
4)
Anterior end of an adult showing the cervical alae and the bulbous
esophagus.
5)
Adult female.
6)
A. caninum. Adult in dog
intestine.
7)
A. caninum. 3 pairs of hooks
are seen in the mouth of this hookworm.
8)
A. duodenale. Posterior end of
a male shows copulatory bursa and its rays.
Necator
americanus
Wucheria bancrofti
1)
Infected larvae emergingfrom the mouth parts of a mosquito.
2)
Close up view of 1).
3)
Microfilaria in blood film.
4)
Anterior end of microfilaria.
5)
Posterior end of microfilaria.
Oncocercua
volvulus
6)
3 male worms.
7)
Female worms.
Brugia
malayensis (can’t be
distinguished from W. bancrofti)
8)
Larvae in Aedes aegypti
(vector) proboscis.
