Embryological Study of Nasal Cavity Development in Human Embryos with Reference to Congenital Nostril Atresia

Abstract excerpt

An infant with congenital absence of the nostrils, incomplete prolabium, incomplete premaxilla, nasal cavity without septum, and cleft palate is presented. To clarify the embryological development of the nostril, serial sections of many embryos and fetuses of various stages were examined. Recanalization of the nostril, resulting from resorption of the temporary nasal epithelial plug, was observed in a 13- to...

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