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choroid invagination |
 |
cerebral cortex mantle layer |
 |
nasal cavity olfactory epithelium |
 |
metencephalon part of 4th ventricle choroid plexus |
 |
stomach |
 |
diencephalon roof plate |
 |
cerebral cortex marginal layer |
 |
medulla oblongata part of 4th ventricle choroid plexus |