지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Background: In the early stages of development, teeth and lingual papillae are induced and developed through special and complex epithelial-mesenchymal interactions. Tooth completion indicates the beginning of the weaning phase, and accordingly, many oral tissues and organs are completed, and it is thought that their developmental completion times are related to each other. The purpose of this study was to clarify the embryonic and neonatal development of the filiform papillae and mandibular molar tooth, and discuss the developmental relationship between these organs by comparing the developmental completion times.Methods: Embryos at embryonic day 15 (EM15), 17 (EM17), and 21 (EM21) and mice at neonatal day 1 (NE1), 5 (NE5), 10 (NE10), and 21 (NE21) were used for experimentation. Tissues dissected from embryos and mice were fixed, and processed for histological analysis. Sections from the tissues were stained with hematoxylin and eosin for observation under a light microscope.Results: Based on the histological analysis results, the developmental process of the lingual epithelium covering the dorsal surface of the tongue was classified into three stages: initiation, morphogenesis, and functional. The development of the filiform papillae begins at EM17; undergoes rapid morphological changes in epithelial cells at EM21, PN1 and PN5, and reaches the functional stage at PN10, which is the sucking phase. Tooth development begins at EM13 or 15 and is completed at NE21 through prenatal and postnatal development.Conclusion: The development of the filiform papillae was initiated late and completed quickly through embryonic and neonatal development in comparison with the mandibular molar tooth. The filiform papillae are considered to play an important role in sucking rather than mastication as it is completed in the sucking phase.
목차
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참고문헌 (32)
참고문헌 신청
Kim JY / 2003 / Morphological evidence of the importance of epithelial tissue during mouse tongue development / Exp Cell Res 290:217~226
Skieresz-Szewczyk K / 2017 / Development of mechanical papillae of the tongue in the domestic goose (Anser anser f. domestica) during the embryonic period / Protoplasma 254:147~160
Kawasaki K / 2012 / Bmp signalling in filiform tongue papillae development / Arch Oral Biol 57:805~813
Mistretta CM / 1991 / Smell and taste in health and disease / Raven Press :35~64
Iwasaki S / 1999 / Ultrastructural study of the relationship between the morphogenesis of filiform papillae and the keratinisation of the lingual epithelium in the rat / J Anat 195(Pt 1):27~38
Skieresz-Szewczyk K / 2017 / Development of mechanical papillae of the tongue in the domestic goose (Anser anser f. domestica) during the embryonic period / Protoplasma 254:147~160
Kawasaki K / 2012 / Bmp signalling in filiform tongue papillae development / Arch Oral Biol 57:805~813
Mistretta CM / 1991 / Smell and taste in health and disease / Raven Press :35~64
Iwasaki S / 1999 / Ultrastructural study of the relationship between the morphogenesis of filiform papillae and the keratinisation of the lingual epithelium in the rat / J Anat 195(Pt 1):27~38
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