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2. Mandible- formed from the splanchnocranium and composed mostly of
the large dentary bone; articulates with the upper jaw by Meckel’s cartilage
a. Hypohyal- small anterior portion of the hyoid arch, which supports the tongue b. Certatohyal- larger lateral portion of the hyoid arch c. First basibranchial- lies medially and extends posteriorly from the hypohyals to the base of the first branchial arch d. First ceratobranchial- paired elements that split off of the first basibranchial e. First epibranchial- continues posteriorly off of first ceratobranchial f. Second basibranchial- extends posteriorly from the left and right first ceratobranchial g. Second epibranchial- lies laterally to the first epibranchial h. Third epibranchial – innermost element, lateral to the second epibranchial |
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