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3 dpf Development

[ Back to Meckel’s cartilage: associated bones and articulations]
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3 dpf
Alizarin red
Description By 78 hpf, the sp7 transgene demonstrates GFP-positive osteoblasts of the dentary (d) that have appeared along the anterolateral surface of Meckel’s cartilage (mouse over to see DIC image of Meckel’s cartilage), although no Alizarin red staining of bone matrix is visible at this timepoint. Expression of the transgene is also visible in ectodermal cells of the jaw epithelium (skin).