Small intestine (Intestinum tenue)

Layer: Organs

Educational content only — not medical advice.

Anatomy

A ~6–7-meter coiled tube filling the abdomen: the body’s greatest absorption surface — its villi would cover a tennis court if spread flat.

Clinical notes

Gluten allergy (celiac disease) damages the villi and blocks absorption — chronic weight loss and anemia warrant testing.

Related structures

Educational references

FAQ

What is the role of the Small intestine?

A ~6–7-meter coiled tube filling the abdomen: the body’s greatest absorption surface — its villi would cover a tennis court if spread flat.

Why is the Small intestine clinically important?

Gluten allergy (celiac disease) damages the villi and blocks absorption — chronic weight loss and anemia warrant testing.

Source & license

BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/). license details