Difference between revisions of "Trichuris"
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| Line 4: | Line 4: | ||
==Species== | ==Species== | ||
| − | * ''Trichuris vulpis'' - dog whipworm | + | * '''''Trichuris vulpis''''' - dog whipworm |
| − | * ''Trichuris campanula'' (Europe) and ''Trichuris serrata'' (North America) - cat whipworms. | + | * '''''Trichuris campanula''''' (Europe) and ''Trichuris serrata'' (North America) - cat whipworms. |
** Are quite rare. | ** Are quite rare. | ||
| − | * ''Trichuris suis'' - pig whipworm | + | * '''''Trichuris suis''''' - pig whipworm |
==Life Cycle== | ==Life Cycle== | ||
Revision as of 10:34, 14 August 2007
- Also known as the "whipworm"
- Derives its name from its characteristic whiplike shape
Species
- Trichuris vulpis - dog whipworm
- Trichuris campanula (Europe) and Trichuris serrata (North America) - cat whipworms.
- Are quite rare.
- Trichuris suis - pig whipworm
Life Cycle
- Faeco-oral spread
- Eggs become infective after 10-14 days in soil.
- Larvae hatch in small intestine.
- Grow and moult.
- Finally take up resisidence in large intestine.
- I.e. NO tissue migratory phase.
Clinical
- Adult buries its thin anterior half into the intestinal mucosa and feeds on tissue secretions (not blood).
- The cecum and colon are the most commonly infected sites.
- Causes eosinophilia.
- Signs may include:
- Diarrhoea
- Anemia
- Dehydration