Supernumerary ribs

Supernumerary ribs occur most commonly as a cervical rib or arising from the lumbar vertebra. In extremely rare situations, there can be sacral, coccygeal, intrathoracic, or aberrant lumbar ribs 3.

Associations

Supernumerary ribs have been used as a marker for developmental toxicity bioassays in test animals 2.

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Article Information

rID: 33797
Section: Gamuts
Synonyms or Alternate Spellings:
  • Supernumerary rib
  • Extra ribs
  • Extra rib
  • Supernumerary ribs (differential)
  • Additional ribs

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