ORGANISM 13--Echinostoma species
GENERAL CHARACTERISTICS
COMMON NAME--Spiny fluke.
GEOGRAPHICAL DISTRIBUTION: Asia.
PATHOGENESIS--Heavy infections induce catarrhal inflammations; necrosis of
mucosa.
HABITAT--Small intestines.
INTERMEDIATE HOST
FIRST--Snail.
SECOND--Clam or snail.
RESERVOIR HOST--Dogs, cats, rats, and birds.
INFECTIVE FORM--Metacercaria.
MODE OF INFECTION--Ingestion.
SPECIMEN OF CHOICE--Feces.
Figure 3-34. Life cycle of Echinostoma species.
MD0842
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