Conjoined twin

{
  "id": "MLC-T-CHM-002437",
  "term": "Conjoined twin",
  "field": "Chemistry",
  "definition": "Identical twins whose bodies are joined together at birth, resulting from the incomplete separation of a single fertilized egg during early embryonic development. The extent and location of the fusion vary widely, determining the shared organs and the feasibility of surgical separation. This rare phenomenon occurs in approximately 1 in 50,000 to 1 in 100,000 births.",
  "synonyms": [
    "Siamese twin"
  ],
  "subject": "Chemistry and Human Health",
  "see_also": [
    "identical twins",
    "parasitic twin"
  ],
  "references": [
    "PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 739 (https://doi.org/10.1515/pac-2015-1202)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/conjoined-twin/"
}