ORGANISM 5 Capillaria philippinensis
GENERAL CHARACTERISTICS
COMMON NAME: None.
GEOGRAPHICAL DISTRIBUTION: Philippines, Thailand.
PATHOGENESIS: Persistent diarrhea, acute intestinal inflammation, malabsorption;
tissue destruction; cardiac abnormalities.
HABITAT: Small intestines.
INTERMEDIATE HOST: Fish, none.
RESERVOIR HOST: Rodents.
INFECTIVE FORM: Filariform larva.
MODE OF INFECTION: Ingestion, autoinfective.
SPECIMEN OF CHOICE: Feces.
Figure 4-11. Life cycle of Capillaria philippinesis.
OVA
SIZE: 20 x 45 mcm.
SHAPE: Ovoid, irregular shape.
COLOR: Hyaline.
OPERCULUM: Absent.
CONTENT: Yolk mass, developing embryo, larva.
SHELL WALL: If present, thick or thin; with shallow pits.
BIPOLAR PLUGS: Flattened.
MD0842
4-15