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7 Cards in this Set
- Front
- Back
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Developmental period
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late 4th wk to 6th wk
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Tuberculum Impar
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ectodermal structure formed from the floor of the stomodeum
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Lateral Lingual Swellings
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ectoderm from the region of arch 1
epithelium of anterior 2/3 of tongue innervated by CN 5 |
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Copula
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"connection with yolk"
endoderm from arch 2 region innervation via facial nerve anterior 2/3 taste sensation via chorda tympani |
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Hypobranchial Eminence
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endoderm from regions of arch 3,4
cranial portion innervates posterior 1/3 of tongue sensation and taste caudal portion via vagus innervates epiglottis sensation and taste |
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Endoderm-ectoderm junction
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anterior to circumvallate papillae
glossopharyngeal innervation |
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origin of tongue musculature
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occipital myotomes
innervation via hypoglossal n. |
