ZFIN Image: Bailon-Zambrano et al., 2024, Fig. 5.

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Figure Caption

Fig. 5.

The sclerotome is the source of the dorsal and anal fin skeleton. (A) Schematic indicating transgenic lines and tamoxifen treatment protocol used to lineage trace the sclerotome using nkx3.1:Gal4. (B) Sclerotome-derived, Cre-recombined, mCherry-expressing cells in the dorsal and anal fins were imaged. Arrowheads indicate median fin radial chondrocytes; guillemets indicate median fin ray osteoblasts. n=12/12 individuals with recombination in sclerotome labeled the dorsal and anal fins. Scale bar: 200 μm (B).

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