| Even though helminths and protozoans are not often the cause of acute diarrhoea, they represent an important group of pathogens. |
| Presence of cellulose definitively identifies vegetable matter and excludes helminths. |
| Humans and other animals have been living with helminths, or worms, since the dawn of time, and our intestinal tracts have adapted to their presence. |
| The cnidarians and helminths have a sac-like digestive system with a single opening. |
| Harmless worms called helminths can also be useful in helping to train the immune system. |
| Worldwide, over 2 billion people were infected with schistosomes and soil-transmitted helminths, of whom 300 million suffered serious illness. |
