Cervical rib

{
  "id": "MLC-T-CHM-001826",
  "term": "Cervical rib",
  "field": "Chemistry",
  "definition": "A supernumerary rib that arises from the seventh cervical vertebra, located above the first thoracic rib. This extra rib can be unilateral or bilateral and varies in size from a small bony prominence to a fully formed rib articulating with the sternum. Its presence can compress nearby nerves and blood vessels, leading to a condition known as thoracic outlet syndrome.",
  "synonyms": [
    "costa cervicalis"
  ],
  "subject": "Chemistry and Human Health",
  "see_also": [
    "supernumerary",
    "vertebra"
  ],
  "references": [
    "PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 734 (https://doi.org/10.1515/pac-2015-1202)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/cervical-rib/"
}