Agnathia

{
  "id": "MLC-T-CHM-000340",
  "term": "Agnathia",
  "field": "Chemistry",
  "definition": "A congenital malformation characterized by the complete absence of the lower jaw, or mandible. This condition results from developmental failures during embryogenesis, specifically affecting the formation of the first pharyngeal arch structures. It is a rare and severe craniofacial defect, often associated with other developmental anomalies.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "congenital",
    "macrognathia",
    "otocephaly",
    "synotia"
  ],
  "references": [
    "PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 718 (https://doi.org/10.1515/pac-2015-1202)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/agnathia/"
}