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Figure 1 | BMC Developmental Biology

Figure 1

From: Perturbing the developing skull: using laser ablation to investigate the robustness of the infraorbital bones in zebrafish (Danio rerio)

Figure 1

Relationship between infraorbiral bones and cranial neuromasts. (A) A schematic of the IO bones on the left side of the zebrafish skull. Dashed lines indicate lateral line canals and black dots are primary canal neuromast mechanosensory receptors. (B-C) During development the primary neuromasts are enclosed in the bony lateral line canal of the underlying IO bone. Neuromast enclosure occurs in stages as described by Webb and Shirey (2003) [13]: (B) a canal neuromast is present on the epithelium overlying an IO bone, (C) the neuromast sinks into an epithelial groove and bony canal walls mineralize outwards on either side of the neuromast; (D) and finally an epithelial canal roof forms followed by the enclosure of bony canal walls which approach one another. B-D are modified from Webb and Shirey (2003) [13].

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