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first rib

An atypical rib. -> broadest, shortest & most sharply curved shaft of the seven true ribs -> has a single facet on its head for articulation with the 1st thoracic vertebra -> bears 2 transverse grooves on its superior side for the subclavian vessels, separated by scalene tubercle & ridge

General

rib

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.
  2. Clinically Oriented Anatomy, 4th edition, KL Moore & AF Dalley (eds), Lippincott Williams & Wilkins, Philadelphia, PA 1999

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