Primitive groove

{
  "id": "MLC-T-CHM-009459",
  "term": "Primitive groove",
  "field": "Chemistry",
  "definition": "A longitudinal depression that forms within the primitive streak during gastrulation in early embryonic development. This structure serves as the site where epiblast cells ingress and migrate inward to form the mesoderm and endoderm layers of the embryo. Its formation marks a key stage in the establishment of the body plan.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "primitive streak",
    "yolk sac"
  ],
  "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/primitive-groove/"
}