{"title":"A Congenital Alar Defect and Its Reconstruction","authors":"M. O. Yenidünya, N. Riasa","doi":"10.12816/0028171","DOIUrl":null,"url":null,"abstract":"The development of the face occurs mainly between the fourth and eighth weeks. By the end of the fourth week, bilateral oval thickenings of the surface ectoderm, called nasal placodes, develop on each side of the inferior part of the frontonasal prominence. The frontonasal prominence forms the forehead, dorsum of the nose, and apex of the nose. The alae of the nose are derived from the lateral nasal prominences (1).","PeriodicalId":351803,"journal":{"name":"medical journal of islamic world academy of sciences","volume":"130 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"medical journal of islamic world academy of sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.12816/0028171","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The development of the face occurs mainly between the fourth and eighth weeks. By the end of the fourth week, bilateral oval thickenings of the surface ectoderm, called nasal placodes, develop on each side of the inferior part of the frontonasal prominence. The frontonasal prominence forms the forehead, dorsum of the nose, and apex of the nose. The alae of the nose are derived from the lateral nasal prominences (1).
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