Capillariasis - Capillaria philippinensis Life Cycle

1) Unembryonated, thick-shelled eggs passed in feces.

2) Eggs become embryonated in water.

3) Infective larvae develop in tissue of intermediate host.

4) Ingestion of raw or undercooked infected fish.

5) Adults in small intestinal mucosa

6) Females may produce two types of eggs: unembryonated eggs (passed in feces) and embryonated eggs lacking shells (hatch inside defintive host).

7) Larvae re-invade small intestinal mucosa in autoinfective cycle,



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