Giardia duodenalis · Overview & 3D model

An intestinal protozoan with a flagellated feeding form and a separate cyst form. Explore its illustrative 3D model, human context, and sources.

About this organism

An intestinal protozoan with a flagellated feeding form and a separate cyst form. Infection may be asymptomatic or cause diarrheal illness.

Site and host context matter

Infection may be asymptomatic or cause diarrheal illness.

About the 3D illustration

Pear-shaped, flattened trophozoite with two nuclei, a ventral attachment disc and eight flagella. Median bodies and detailed internal axonemes are omitted; no human face is implied. Colours encode structures; they are not measured biological hues. Each specimen is independently enlarged. Independent scientific review remains pending.

Profile sources

Source check: 2026-09-21. Educational content; independent scientific review remains pending.

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