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Eleventh (11th) rib

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The eleventh rib is categorised as one of the 'floating' ribs. It articulates posteriorly with the eleventh thoracic vertebra. Anteriorly, its free end is ensheathed within muscle and does not articulate with the sternum.

It is atypical in that:

  • the head only has one articular facet
  • it has a very short neck
  • there is no tubercle

However, it maintains a tubercle and costal groove.

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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