archenteron

Noun
  1. Central cavity of the gastrula;
    Becomes the intestinal or digestive cavity (synset 101465586)
    is a type of: bodily cavity, cavity, cavum - (anatomy) a natural hollow or sinus within the body
    has: blastopore - the opening into the archenteron
    is a part of: gastrula - double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm

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