Costal groove

Costal Groove is a term used in anatomy to describe a groove or indentation found on the inner surface of the rib bone. This groove is significant as it houses important structures such as the intercostal nerves, intercostal arteries, and intercostal veins.

Anatomy

The costal groove is located on the inferior and internal border of the rib. It is formed by the inflection of the internal part of the rib near its lower border. The groove is deeper and more marked in the upper than in the lower ribs.

The costal groove provides protection for the intercostal nerves and vessels, which are located between the ribs. The intercostal artery and intercostal vein are located in the costal groove, with the artery being situated between the vein and the nerve.

Clinical Significance

The costal groove's primary clinical significance lies in its role in protecting the intercostal nerves and vessels. Damage to these structures can result in pain, numbness, and other symptoms. In certain medical procedures, such as a thoracostomy, knowledge of the costal groove's location is crucial to avoid damaging the intercostal nerves and vessels.

See Also

• Rib (anatomy)
• Intercostal nerves
• Intercostal arteries
• Intercostal veins
• Thoracostomy

References

Costal groove Resources
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