Trichinella spiralis

Question 1

• Pork muscle worm / Trichina worm
• Human becomes the Terminal host
• Ingestion of inadequately cooked pork within a definitive host
• Viviparous

Answer 1

> Trichinella spiralis

Question 2

Larva that found in striated muscle

Answer 2

> Encysted Larva

Question 3

Give the Pathogenicity of Trichinella spiralis the stages of Trichinosis

Answer 3

Stage 1: Intestinal invasion
- Presence of diarrhea and GIT
Disturbances
Stage 2: Muscle Invasion
- (highest eosinophiliaseen)
Stage 3: Encystment
- Symptoms subside

Question 4

Give the Laboratory Diagnosis for Trichinella spiralis

Answer 4

1. Muscle biopsy
2. Bachman Intradermal Test
3. X-ray
   
   • Presence of calcified cyst
4. Serological Test
   
   • Bentonite flocculation test and
     ELISA
5. Elevation of muscular enzymes

Question 5

What is the Ova Morphology of Trichinella spiralis?

Answer 5

> Coiled larva encysted in the nurse
cell of striated muscle