Tubercle of the anterior scalene muscle

Study entry

Description

A prominence on the ridge between the two grooves of the upper surface of the 1st rib.

Relations

Insertion of the scalenus anterior.

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

Other structures in this region

• Manubrium of sternum
• Body of sternum
• Xiphoid process
• Jugular notch
• Clavicular notch
• Costal notches
• Sternal angle
• Transverse ridges of the sternum