Trichuriasis: Morphology of Trichuris trichiura Eggs

Morphology of whipworm (Trichuris trichiura) eggs in stool microscopy: characteristic features, atypical forms, and the biological cycle of the causative agent of trichuriasis.

Editorial team 1 min June 29, 2025

Native preparation: Trichuris trichiura whipworm egg with polar plugs

Life cycle diagram of Trichuris trichiura whipworm according to CDC materials

Adult Trichuris trichiura: endoscopy, macro photo and structural details

Stool microscopy slides: variants of atypical Trichuris trichiura egg structure

Wet stool preparations: polymorphism of whipworm eggs in normal and stained conditions

Correct answer to the parasitology problem. Whipworm egg Trichuris trichiura 💡 Interesting facts

The whipworm does not migrate through the body, unlike the roundworm.
The eggs are unusually resistant: they survive in soil for several years.
Due to blood and protein loss, it can contribute to the development of anemia and hypoalbuminemia in children.
It can live in the intestine for years without manifesting symptoms.
Severe forms are more often observed in children, especially with mixed helminth infections (e.g., with ascariasis).