skull shark Word Scramble
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Question | Answer |
Rostrum | |
rostral fenestra | open ventrally |
epiphyseal foramen | just behind the rostrum on the top of the skull |
otic capsule | back of skull just lateral to midline |
orbit | |
preorbital process | ridge at the front of the orbit |
supraorbital crest | ridge at the top of the orbit |
postorbital process | ridge behind the orbit |
basal plate | large flat plate posterior section of the skull |
vagal foramen | caudal section of the skull just lateral to foramen magnum |
glossopharyngeal foramen | caudal section of the skull most lateral foramina |
foramen magnum | canal for the spinal cord |
occipital condyle | just ventral and lateral to foramen magnum articulate with the first trunk vertebra |
branchial arches | basibranchials: center base hypobranchials: branch off basi- ceratobranchial: ventral rods posteriorly oriented epibranchial: curve dorsally from cerato- pharyngobranchial: terminates the arch dorsally |
hyoid arch | basihyal: central section paired ceratohyal: lateral section posteriorly oriented paired hyomandibulae: lateral most projection terminates hyoid arch |
meckel's cartilage | lower jaw skeleton |
palatoquadrate cartilage | quadrate process: lateral immediately anterior to arches orbital process: projection nearest midline |
homodont teeth |
Created by:
jebeard
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