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A two-day chick embryo is sculpted as an elongated body with paired somites lined up in neat blocks along both sides of the neural tube. At the head end, rounded brain vesicles bulge forward and a bent cranial region shows the earliest folds of development, while the tail end widens into the surrounding area opaca tissue. Grooves and ridges trace the closing neural folds. Use it in a biology or developmental embryology class to show how vertebrate body segments form, or keep it as a striking science display piece.

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