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Fig. 4 | Zoological Letters

Fig. 4

From: Two-headed mutants of the lamprey, a basal vertebrate

Fig. 4

Histological analysis for symmetrically bifurcated mutants by hematoxylin-eosin (HE) staining. Identity numbers for each mutants are shown as #12 and #13. a, d Lateral view of the mutants. Sectioned levels are shown. b, e Transversal sections of two-headed region. c, f Transversal sections of conjunct region. Scale bars: 500 μm for a, d, 100 μm for (b, c, e, f)

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