BoneIrregular bone
Third costal cartilage
Cartilago costalis III sinistra
- Location:
- Thorax — anterior
- Paired structure: one on the left and one on the right side of the body.
Function
Left upper anterior cage's elastic connector, letting the rib cage swell with lung and heart motion.
Landmarks
- Slopes toward the sternum
Articulations (joints)
- Third rib
- Sternum body
Clinical relevance
Tietze syndrome most often swells the second or third costochondral junction with visible enlargement.
Educational anatomy reference, not medical advice. About this content.