Glossary

Costal margin

Costal margin

Rippenbogen·Also: Arcus costalis

The costal margin is the palpable, arch-shaped edge at the lower end of the rib cage. During an examination it serves as a point of orientation, for example for feeling the liver or spleen.

Symptoms rather than terms?

Describe what's going on — we'll find the right doctor for you.

Editorial content · as of 9/5/2026