Groove for the subclavian artery

Study entry

Description

One of the two grooves that cross the upper surface of the 1st rib, separated by the ridge with the tubercle of the scalenus anterior.

Relations

The subclavian artery passes through it.

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