Strongyloides stercoralis vs Hookworm

• The life cycle of involves AUTOINFECTION, in which maturation to the filariform stage is completed within the intestinal tract, with subsequent reinvasion of bowel mucosa or perianal skin:

  Strongyloides stercoralis
• has a short buccal cavity and prominent genital primordium.

  Rhabditiform larva of Strongyloides stercolis
• size of 3mm

  Strongyloides stercoralis
• eggs are identical to hookworm but usually not found in stool:

  Strongyloides stercoralis
• size of 1 cm

  HOOKWORM
• 2 HOOKWORM SPECIES:

  NECATOR AMERICANUS

  ANCYLOSTOMA DUODENALE
• S-SHAPE:

  NECATOR AMERICANUS
• CUTTING PLATES:


  NECATOR AMERICANUS
• C SHAPE:

  ANCYLOSTOMA DUODENALE
• VENTRAL TEETH:

  ANCYLOSTOMA DUODENALE
• HAS A LONG BUCCAL CAVITY:

  RHABDITIFORM LARVA OF HOOKWORM
• MORULA-LIKE CLUSTER OF SPHERICAL EMBRYOS:

  HOOKWORM