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10 dpf Development

[ Back to Meckel’s cartilage: associated bones and articulations]
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10 dpf
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Description By 247 hpf, Meckel’s cartilage (Mk) and the palatoquadrate (pq), dentary (d), maxilla (mx), retroarticular bone (ra), anguloarticular (aa), and quadrate (q) maintain their relative positions with some growth from that seen at 199 hpf. The lateral contour of Meckel’s cartilage is now completely covered by the dentary and the anguloarticular, with the dentary lateral to the anguloarticular. Bone is beginning to surround Meckel’s cartilage anteriorly near the mandibular symphysis (sym).