Rib — Anatomy Notes, Diagram & Quiz

The Rib is located in the thorax. Protects thoracic organs and aids breathing. The Rib articulates with the thoracic vertebrae posteriorly.

Rib highlighted in a 3D model of the human body
Rib highlighted in the 3D body atlas. 3D atlas: BodyParts3D (DBCLS, CC BY-SA 2.1 Japan); Écorché/Z-Anatomy (CC BY-SA 4.0). Rendered in anotemy.

Key facts

Rib at a glance
LocationThorax
Main functionProtects thoracic organs and aids breathing.
Layerskeleton
Key fact 1The Rib articulates with the thoracic vertebrae posteriorly.
Key fact 2The Rib protects the lungs and heart.
Key fact 3The Rib may fracture and puncture the lung causing pneumothorax.

Where is the Rib located?

The Rib is located in the thorax.

The Rib articulates with the thoracic vertebrae posteriorly.

What does the Rib do?

Protects thoracic organs and aids breathing.

The Rib protects the lungs and heart.

What to know for exams

  • The Rib articulates with the thoracic vertebrae posteriorly.
  • The Rib protects the lungs and heart.
  • The Rib may fracture and puncture the lung causing pneumothorax.

It belongs to the skeleton layer. Learn its location, relations, and the structures it works with.

Clinical relevance

The Rib may fracture and puncture the lung causing pneumothorax.

Link the rib to its blood supply, innervation and relations. That is how exam questions usually test it.

Memory aid: Rib

The Rib articulates with the thoracic vertebrae posteriorly. The Rib protects the lungs and heart. The Rib may fracture and puncture the lung causing pneumothorax.

Chain it as location → function → clinical link when you revise.

Rib anatomy quiz

Five questions. Open each answer after you commit to a response.

  1. Where is the Rib located?

    Reveal answer

    Thorax

  2. What is the main function of the Rib?

    Reveal answer

    Protects thoracic organs and aids breathing.

  3. Give one key fact about the Rib.

    Reveal answer

    The Rib articulates with the thoracic vertebrae posteriorly.

  4. Give another key fact about the Rib.

    Reveal answer

    The Rib protects the lungs and heart.

  5. What clinical link is associated with the Rib?

    Reveal answer

    The Rib may fracture and puncture the lung causing pneumothorax.

Common questions

Where is the Rib located?

The Rib is located in the thorax. The Rib articulates with the thoracic vertebrae posteriorly.

What does the Rib do?

Protects thoracic organs and aids breathing. The Rib protects the lungs and heart.

What is a key fact about the Rib?

The Rib may fracture and puncture the lung causing pneumothorax.

What layer does the Rib belong to?

It belongs to the skeleton layer of the body.

What should I remember for exams?

The Rib articulates with the thoracic vertebrae posteriorly. The Rib protects the lungs and heart. The Rib may fracture and puncture the lung causing pneumothorax.

Sources

  1. Standring, S. (ed.). Gray’s Anatomy, 42nd edition. Elsevier, 2020.
  2. TeachMeAnatomy — anatomy library
  3. Kenhub — anatomy library
  4. StatPearls / NCBI Bookshelf — Rib search

3D atlas and image credits

Anatomy models: BodyParts3D, © Database Center for Life Science (DBCLS), CC BY-SA 2.1 Japan. Écorché by Charleeh, derived from BodyParts3D and Z-Anatomy, CC BY-SA 4.0. Rendered in anotemy. Changes: highlighting, framing, labels and background removal. Images: CC BY-SA 4.0.

The 3D models are third-party assets under Creative Commons share-alike licences. They keep those licences; the page text is separate. If you reuse an image, keep the attribution and the share-alike licence.