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baby dragon lung
Celeste Nelson (fac)
Dept. of Chemical and Biological Engineering
This is a detail of an immunofluorescence image of the surface of the lung of a bearded dragon embryo (Pogona vitticeps). Nuclei are stained red and the actin cytoskeleton is stained green. The image reveals a nested hierarchy of tubes designed for effective gas exchange, which develops in the embryo even before the animal breathes air.