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Figure Caption
Fig. 5-S1
Visualization of Ror2-Wnt8a cytonemal transport in the living zebrafish.
Time series of still pictures of single channels of Ror2-mCherry/Wnt8a-GFP-expressing cells to observe (A) Wnt8a recruitment to the membrane and cytoneme initiation and (B) cytonemal target finding and Ror2/Wnt8a cluster endocytosis into the receiving cell. White arrows indicate the Wnt8a/Ror2 cluster whereas the yellow arrows highlight pruning of the cytoneme tip after successful cytonemal delivery. (B) A series of merged pictures with the bright field channel are included in this panel. Scale bars = 10 µm; in (E) = 20 µm.
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