Toxocara species (continued)
OVA
Seen in feces of infected pets.
SIZE: 85 by 75 mcm.
SHAPE: Spherical.
COLOR: Light brown.
OPERCULUM: Absent.
CONTENT: Developing larva (yolk mass)
ADULT
Seen in definitive host.
SIZE
MALE: 4 to 6 cm.
FEMALE: 6.5 to 10 cm.
SHAPE: Elongated, cylindrical.
COLOR: Pinkish-white.
BUCCAL STRUCTURES: Three characteristic lips.
CERVICAL ALAE
Figure 4-20. Stages of Toxocara species. (continued)
MD0842
4-27
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