ORGANISM 6: Ancylostoma duodenale
GENERAL CHARACTERISTICS
COMMON NAME: Old world hookworm (archaic).
GEOGRAPHICAL DISTRIBUTION: Europe, Asia; becoming worldwide.
PATHOGENESIS: Lesions of intestinal mucosa, anemia (chronic nutritional deficiency
type), eosinophilia, pneumonitis, erythemia, dyspnea.
HABITAT: Small intestines.
INTERMEDIATE HOST: None.
RESERVOIR HOST: Hogs, dogs, cats, lions, tigers, and gorillas.
INFECTIVE FORM: Filariform larva.
MODE OF INFECTION: Penetration of the skin.
SPECIMEN OF CHOICE: Feces.
Figure 4-13. Life cycle of Ancylostoma duodenale.
MD0842
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