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Figure 1. 70 kDa dextran can leak into the trachea of cora and wun mutants. 70 kDa dextran was injected into the hemolymph of stage 16 wild type and cora1 and wun wun2 mutants, and embryos were imaged 10 min after injection. 70 kDa dextran is visible in the trachea of cora1 and wun wun2 embryos, but not wild type embryos. Arrows indicate the tracheal dorsal trunk.
