The Rib Cage

These flashcards cover key concepts related to the rib cage, its structure, and function.

What is the primary function of the rib cage?

To form a flexible, protective cage around the organs of the thoracic cavity.

What bones make up the rib cage?

The bodies of the thoracic vertebrae, the ribs, sternum, and costal cartilages.

What are vertebrosternal ribs?

Ribs 1-7 that connect to the sternum via costal cartilage, also called true ribs.

What are vertebrochondral ribs?

Ribs 8-10 that connect to the sternum via shared cartilage, also known as false ribs.

What are vertebral ribs?

Ribs 11-12 that do not connect to the sternum at all, also called floating ribs.

What is the manubrium?

The upper part of the sternum that forms the anterior midline of the rib cage.

What is the xiphoid process?

The small, cartilaginous end of the sternum.

What is the significance of costal cartilage?

Costal cartilage connects the ribs to the sternum and allows flexibility.

What is the sternal angle?

The junction between the manubrium and the body of the sternum.

What are the main structures of the rib cage highlighted in the lecture?

Vertebrae, jugular notch, manubrium, sternal angle, sternum, costal cartilage, angle, tubercle, articular facets.