Trichuris trichiura

Question 1

What is the common name for Trichuris trichiura?

Answer 1

> Whipworm

Question 2

Give 2 pathogenicity under Trichuris trichiura

Answer 2

1. Trichuriasis / Whipworm infection /
   Trichocephaliasis
2. Rectal Prolapse
   - Heavy Trichuriasis

Question 3

Give the laboratory diagnosis for Trichuris trichiura

Answer 3

1. Stool (Qualitative or Quantitative)
2. Sigmoidoscopy - diagnostic testused to check sigmoid colon
   - Not usually done

Question 4

Whiplike structure and Prominent / Thickened Posterior?

Answer 4

> Adult Morphology

Question 5

________ Prominent coiled tail
________ Bluntly rounded posterior end

Answer 5

> Male
Female

Question 6

Barrel of Football shape, Japanese Lantern Ova, Smooth shell surface, Visible under LPO,
With embryo (not embryonated)
- Underdeveloped unicellular
With protruded prominent bipolar plugs
- Hyaline plugs

Answer 6

> Ova Morphology

Question 7

Give the Trichuris trichiura LIFE CYCLE

Answer 7

Ingestion of embryonated ova initiates the infection —— The larvae emerge from the eggs in the small intestine —— The larvae proceed to the cecum, where they become adult —— Eggs are passed in the stool by the adult worm. Soil molting happens where it becomes embryonated ova