11th and 12th ribs

Study entry

Parts

Floating ribs: short, without neck or tubercle, with a single articular surface on the head. Their cartilages are rudimentary and end in the posterior abdominal musculature, without reaching the sternum.

Joints

Each with the body of the vertebra of the same number (T11, T12).

Source: cap. 4, «Costillas, cartílagos costales y espacios intercostales»

Other structures in this region

• Sternum
• Typical rib (3rd–9th)
• 1st rib
• 2nd rib
• 10th rib
• Costal cartilages