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Fig. 7 Fgf3 and Fgf8 are required together for formation of cartilage in the head. (A–D) Ventral views showing near-complete absence of pharyngeal and neurocranial cartilages in 5-dpf embryos in which both Fgf3 and Fgf8 are inhibited. (A) Ventral view of embryo injected with both control morpholinos. (B, C) Embryos in which both Fgf3 and Fgf8 have been inhibited show loss of most cartilage from the head; residual cartilage elements are indicated by arrows. (D) Higher magnification image of (C).
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Reprinted from Developmental Biology, 264(2), Walshe, J. and Mason, I., Fgf signalling is required for formation of cartilage in the head, 522-536, Copyright (2003) with permission from Elsevier. Full text @ Dev. Biol.