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These "blocks" were previously represented as prism-shaped, but research published in the peer-reviewed journal Nature Communications suggests they have a specific curve and look unlike any other known shape. The researchers observed the structure in fruitflies and zebrafish.
The scutoid is six-sided at the top, five-sided on the bottom with one triangular side. Why it has been so complex to define is because epithelial cells must move and join together to organize themselves "and give the organs their final shape," University of Seville Biology faculty teacher Luisma Escudero said in a release.
The researchers named the shape after a similar design in the thorax of some beetles.
Next, the researchers plan to examine the molecules that cause the shape.
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