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8 Cards in this Set
- Front
- Back
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What portions of the skull is derived from neural crest?
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Frontal and bones of the face
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What are the three embryological origins of the skull?
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Neural crest
Paraxial mesoderm Lateral plate mesoderm |
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What portion of the skull s derived from lateral plate mesoderm?
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Laryngeal cartilages
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Where is the division between neural crest derived and paraxial derived bones in the skull?
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At the prechordal plate
No paraxial mesoderm in front of the prechordal plate |
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What is the embryological origin of the greater wing of the sphenoid?
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Neural crest
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The viscerocranium is made entirely of what type of bone?
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membranous bone
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Which bones of the skull are made by endochondral bone ossification?
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Sphenoid
Ethmoid Part of the temporal and occipital |
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What is cranioschisis?
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Failure of the neurocranium to close due to failure of the neural tube to close. Brain exposed to CSF.
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