Ultrastructural focus on the oral cavity roof of the juvenile and adult white grouper (Epinephelus aeneus): Novel view of its development with carnivorous adaptation,Microscopy Research and Technique

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Ultrastructural focus on the oral cavity roof of the juvenile and adult white grouper (Epinephelus aeneus): Novel view of its development with carnivorous adaptation
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2022-09-17 , DOI: 10.1002/jemt.24227
Naglaa F Madkour ₁ , Mohamed M A Abumandour ₁ , Raafat El-Bakary ₁ , Ashraf Karkoura ₁ , Samir El-Gendy ₁ , Mohamed Alsafy ₁

Affiliation

The present study aims to characterize the ultrastructural roof of the oral cavity roof in juvenile and adult Epinephelus aeneus using SEM. The investigation used 10 roofs of the oral cavity of juvenile and adult stages of age. The results in both age groups showed that the roof had five tooth bands, an upper valve, and a palatine region. The upper lip was divided into the anteriorly median and two lateral parts. The posterior margin of the anterior labial part is not attached to the incisive or canine teeth. The anterior surface of the canine teeth was attached to the transverse part of the upper incisive ridge that was separated from the posterior labial part by a deep groove. The semilunar upper velum showed two surfaces, two borders, and two parts. The median part of the oral surface of the velum carried the extension of the longitudinal part of the upper incisive ridge that had some variation among the two examined age stages. In addition, the median part of the oral surface of the upper velum had two rough areas located laterally on each side of the longitudinal part of the upper incisive ridge. The oral surface had several slightly elevated fungiform papillae with taste buds. The palatine region was divided into the peripheral semilunar part and the wide median part, by palatine teeth and the palatine groove laterally and by vomer teeth anteriorly. The results provided important data for the aquaculture in Egypt in relation to their diet.

中文翻译：

幼年和成年白石斑鱼 (Epinephelus aeneus) 口腔顶部的超微结构聚焦：食肉适应发展的新观点

本研究旨在表征幼年和成年黑斑石斑鱼口腔顶部的超微结构顶部使用扫描电镜。该调查使用了青少年和成人阶段的 10 个口腔屋顶。两个年龄组的结果都表明，屋顶有五个牙带、一个上瓣膜和一个腭区。上唇分为前中部和两个侧部。前唇部的后缘不附着于切牙或犬齿。犬齿的前表面附着于上切牙脊的横向部分，该部分通过深沟与后唇部分开。半月上帆显示两个表面、两个边界和两个部分。软骨口面的中部延伸了上切牙脊的纵向部分，这在两个检查的年龄阶段之间有一些差异。此外，上软骨口面的中间部分有两个粗糙区域，分别位于上切牙嵴纵向部分的两侧。口腔表面有数个略微隆起的带有味蕾的菌状乳头。腭区被外侧的腭齿和腭沟以及前方的犁骨分为外围半月部和宽中部。结果为埃及的水产养殖提供了与其饮食相关的重要数据。外侧靠腭齿和腭沟，前方靠犁骨齿。结果为埃及的水产养殖提供了与其饮食相关的重要数据。外侧靠腭齿和腭沟，前方靠犁骨齿。结果为埃及的水产养殖提供了与其饮食相关的重要数据。

更新日期：2022-09-17

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