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Built as a rough sphere of tightly packed cells, this anthrobot spheroid shows the tiny living structure that adult human airway cells assemble on their own. Each cell is outlined with a visible nucleus, and tufts of hair-like cilia sprout in patches across the surface, the beating hairs that let the cluster move. Realistic and textured, it suits cell biology and bioengineering lessons on self-organizing tissues, and makes a fascinating display piece for anyone following regeneration and synthetic biology research.

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