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NS40: Pharyngeal Arches (cleft lip + palate (lat cleft lip (more common in…
NS40: Pharyngeal Arches
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8wk embryo: palatal shelves haven't fused, tongue hasn't descended
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10 wks gestation
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tongue descends, palatal shelves fuse
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cleft lip + palate
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problems with breastfeeding, infections, speech (nasal escape)
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oblique palate
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bone, soft tissue + skin affected
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