Phylum Nemathelminthes or Aschelminthes
Phylum Nemathelminthes or Aschelminthes Phylum Nemathelminthes or Aschelminthes
2- Trichuris trichiura • Common name →whipworm. • Disease → whipworm infection or Trichuriasis. • Adult worms measure approximately 4 cm whip like worm • Female longer than male. • Egg is barrel shaped with bipolar plugs or American football-shaped. • Adult habitat →→ cecum, appendix, colon and rectum. • Infective stage →→ fully developed ova • Mode of infection →contamination of food and water WITH MATURE OVA. • Life cycle is direct. • Reservoir host → dogs as well as human. • Symptomes →→Generally asymptomatic. • Heavy infestations may have bloody diarrhea. • blood loss may lead to iron-deficiency anemia. • Rectal prolapse is possible in severe cases. • Diagnosis→→ by finding ova and adult in the GSE. • Vitamin A deficiency may also result due to infection. • Treatment →→The drug of choice for trichuriasis is mebendazole (90% effective in the first dose)
Life cycle of Trichuris trichiura
- Page 1 and 2: Phylum Nemathelminthes or Aschelmin
- Page 3: Pinworm life cycle ova Life cycle
- Page 7 and 8: Life cycle of Ascaris
- Page 9: Mouth and L.C Hook like anterior en
2- Trichuris trichiura<br />
• Common name →whipw<strong>or</strong>m.<br />
• Disease → whipw<strong>or</strong>m infection <strong>or</strong> Trichuriasis.<br />
• Adult w<strong>or</strong>ms measure approximately 4 cm whip like w<strong>or</strong>m<br />
• Female longer than male.<br />
• Egg is barrel shaped with bipolar plugs <strong>or</strong> American football-shaped.<br />
• Adult habitat →→ cecum, appendix, colon and rectum.<br />
• Infective stage →→ fully developed ova<br />
• Mode of infection →contamination of food and water WITH MATURE OVA.<br />
• Life cycle is direct.<br />
• Reservoir host → dogs as well as human.<br />
• Symptomes →→Generally asymptomatic.<br />
• Heavy infestations may have bloody diarrhea.<br />
• blood loss may lead to iron-deficiency anemia.<br />
• Rectal prolapse is possible in severe cases.<br />
• Diagnosis→→ by finding ova and adult in the GSE.<br />
• Vitamin A deficiency may also result due to infection.<br />
• Treatment →→The drug of choice f<strong>or</strong> trichuriasis is mebendazole (90%<br />
effective in the first dose)
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