1. 1
Phylum Nematoda
- The Roundworms
Nematode Anatomy
Note complete digestive system with
mouth, intestine and anus. Worms
may be parasitic living off a living
host and free-living feeding on rotting
organic matter. Most are free living.
Tube within a tube body arrangement

2. 2
Ascaris life cycle – fecal parasite
Worms in small
intestine
Adult
Hookworm
Dog Hookworms
Trichinosis
Why pork should be
cooked properly!!
Elephantiasis
Elephantiasis is a rare disease of the
lymphatic system caused by
parasitic roundworms.

3. 3
Typical Soil Nematodes Soil nematodes can be used as a garden pest control