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FishFace

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Arch 1 & 2 Development

• Pharyngeal development: Pre-skeletal
• Pharyngeal development: Skeletal

Element Development

• The palatoquadrate: associated bones and articulations
• Meckel’s cartilage: associated bones and articulations
• The hyosymplectic: associated bones and articulations
• The ceratohyal: associated bones and articulations
• The opercle: associated bones and articulations

10 dpf Development

[ Back to Meckel’s cartilage: associated bones and articulations]

Info	Image Please hold mouse over images to see annotations.
10 dpf zc81Tg Alizarin red	Ventral
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).