Skip to main content

Unfortunately we don't fully support your browser. If you have the option to, please upgrade to a newer version or use Mozilla Firefox, Microsoft Edge, Google Chrome, or Safari 14 or newer. If you are unable to, and need support, please send us your feedback.

Elsevier
Publish with us
Costal Groove of Second Rib
Skeletal System

Costal Groove of Second Rib

Sulcus costae secundae

Read more

Description

The costal groove (costal sulcus) is the short, shallow depression found along the body of the second rib. It begins lateral to the tubercle and travels along the internal surface of the body, adjacent to the inferior border, and gradually becomes indistinguishable as it travels to the more anterior part of the body of the second rib.

The intercostal vein, artery and nerve travel along the costal groove, with the vein lying most superior and the nerve most inferior. The upper edge of the costal groove provides an attachment site for the innermost intercostal muscle.

Overall, only the second to eleventh ribs have a costal groove, while the first and twelfth ribs lack this bony feature.

Complete Anatomy
The world's most advanced 3D anatomy platform
Try it for Free

Complete Anatomy

The world's most advanced 3D anatomy platform

Complete Anatomy