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Primitive streak

Primitive streak

Structure in early amniote embryogenesis.

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  1. Gastrulation

    Embryologic stage in which germ layers form.

    32%

  2. Amniote

    Clade of tetrapods.

    19%

  3. Bilaminar embryonic disc

    Embryonic cell structure.

    15%

  4. Gastruloid

    Embryonic Stem Cells.

    4.7%

  5. Symmetry in biology

    Geometric symmetry in living beings.

    2.6%

Readers come from

Share of the 1,022 readers arriving from another article

  1. Germ cell

    Gamete-producing cell.

    28%

  2. Gastrulation

    Embryologic stage in which germ layers form.

    8.7%

  3. Human embryonic development

    Development and formation of the human embryo.

    6.2%

  4. Conjoined twins

    Medical condition.

    4%

  5. Neural plate

    Structure in an embryo which will become the nervous system.

    2%

  6. Sirenomelia

    Rare congenital deformity in which the legs are fused together.

    1.3%

  7. Mesenchyme

    Type of animal embryonic connective tissue.

    1.2%

  8. Hypoblast

    Embryonic inner cell mass tissue that forms the yolk sac and, later, chorion.

    0.98%