BoneIrregular bone

Fifth costal cartilage

Latin: Cartilago costalis V sinistra

Location: Thorax — anterior

Paired structure: one on the left and one on the right side of the body.

View the fifth costal cartilage in 3D

Function

Left fifth costal cartilage, joining rib 5 to the sternum near the heart's apex region.

Landmarks

  • Apex-beat level

Articulations (joints)

  • Fifth rib
  • Sternum body

Clinical relevance

Rib and costochondral fractures are common after CPR in older adults — compressions belong on the lower half of the sternum.

Educational anatomy reference, not medical advice. About this content.