Proctodeum

{
  "id": "MLC-T-CHM-009498",
  "term": "Proctodeum",
  "field": "Chemistry",
  "definition": "An external invagination of the ectoderm at the caudal end of a developing embryo that contributes to the formation of the anus and anal canal. This depression deepens toward the hindgut, from which it is initially separated by the cloacal membrane. The eventual rupture of this membrane establishes the external opening of the gastrointestinal tract.",
  "synonyms": [
    "anal pit"
  ],
  "subject": "Chemistry and Human Health",
  "see_also": [
    "ectoderm",
    "anus",
    "caudal"
  ],
  "references": [
    "PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 796 (https://doi.org/10.1515/pac-2015-1202)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/proctodeum/"
}