Difference between revisions of "Trichuris"

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==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: