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25 Cards in this Set
- Front
- Back
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chondrocranium
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the skeleton of the head includes to chondrocranium and splanchnocranium
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splanchnocranium
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the skeleton of the head includes to chondrocranium and splanchnocranium
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vetebral column
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extends from the chondrocranium to within the tail supports the anerior dorsal fin, posterior dorsal fin, and caudal fin
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anterior dorsal fin
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extends from the chondrocranium to within the tail supports the anerior dorsal fin, posterior dorsal fin, and caudal fin
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posterior dorsal fin
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extends from the chondrocranium to within the tail supports the anerior dorsal fin, posterior dorsal fin, and caudal fin
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caudal fin
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extends from the chondrocranium to within the tail supports the anerior dorsal fin, posterior dorsal fin, and caudal fin
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pectoral girdle
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the pectoral girdle, supporting the pectoral fins, lies just posterior to the splanchnocranium; the pelivic girdle, supporting the pelvic fins, lies farther posteriorly
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pectoral fins
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the pectoral girdle, supporting the pectoral fins, lies just posterior to the splanchnocranium; the pelivic girdle, supporting the pelvic fins, lies farther posteriorly
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pelvic girdle
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the pectoral girdle, supporting the pectoral fins, lies just posterior to the splanchnocranium; the pelivic girdle, supporting the pelvic fins, lies farther posteriorly
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pelvic fin
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the pectoral girdle, supporting the pectoral fins, lies just posterior to the splanchnocranium; the pelivic girdle, supporting the pelvic fins, lies farther posteriorly
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rostrum
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the scoop-like rostrum projects aneriorly and contains the precerebral cavity
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precerebral cavity
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the scoop-like rostrum projects aneriorly and contains the precerebral cavity
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precerebral fenestra
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the precerebbral cavity communicates posteriorly with the cranial cavity by way of the precerebral fenestra
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rostral carina
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the rostrum is upported ventrally by the rostral carina
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rostral fenestrae
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paired rostral fenestrae lie on either side of the carina
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nasal capsules
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the paired nasal capsules lie laterally to the base of the rostrum
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nares
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paired openings, the nares, found on the surface of each nasal capsules
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antorbital shelf
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the antorbital shelf forms the anterior orbital wall
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antorbital process
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the orbit defined dorsally by the antorbital process, supraorbital crest, and postorbital process
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supraorbital crest
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the orbit defined dorsally by the antorbital process, supraorbital crest, and postorbital process
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supraorbital crest
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the orbit defined dorsally by the antorbital process, supraorbital crest, and postorbital process
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postorbital process
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the orbit defined dorsally by the antorbital process, supraorbital crest, and postorbital process
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basitrabecular processes
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posteriorly and ventrally the orbit expands into paired basitrabecular processes
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epiphyseal foramen
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on the dorsal surface between the antorbital processes is the median epiphyseal foramen
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superficial ophthalmic foramina
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several smaller openings, the superficial ophthalmic foramina, pierce each supraorbital crest
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