Accessory rib

{
  "id": "MLC-T-CHM-000104",
  "term": "Accessory rib",
  "field": "Chemistry",
  "definition": "A supernumerary rib that develops in addition to the normal twelve pairs of ribs. This extra rib can originate from a cervical vertebra in the neck or a lumbar vertebra in the lower back. Cervical ribs are more prevalent and can sometimes compress nerves or blood vessels, leading to neurological or vascular symptoms.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "cervical rib",
    "supernumerary",
    "vertebra"
  ],
  "references": [
    "PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 715 (https://doi.org/10.1515/pac-2015-1202)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/accessory-rib/"
}