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Three-dimensional study of the lingual papillae and their connective tissue cores in the Nile fox (Vulpes vulpes aegyptica) (Linnaeus, 1758)
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2021-05-19 , DOI: 10.1002/jemt.23834
Mohamed A A Mahdy 1
Affiliation  

The Nile fox (Vulpes vulpes aegyptica) is the largest Egyptian fox being distributed in different geographical regions in Egypt. The current study aims to investigate the three-dimensional features of the lingual papillae and their connective tissue cores (CTCs) in the Nile fox by using scanning electron microscopy. Five types of lingual papillae were present on the dorsal aspect of the tongue: filiform, conical, fungiform, vallate, and foliate. Generally, the filiform papilla consisted of a main papilla and several accessory processes emerged from its basal part. Filiform papillae differed in their length, shape, and number of accessory processes according to the region of the tongue. Two types of filiform CTCs were present; either conical-shaped or consisted of a main core and several accessory cores. Two types of conical papillae and two types of conical CTCs were demonstrated; elongated triangular-shaped and large conical-shaped. In addition, two types of fungiform papillae were demonstrated; rounded-shaped and elongated fungiform papillae. The fungiform CTCs were thick columnar in shape with several parallel vertical folds. Six vallate papillae were present, they were surrounded by a groove and either conical papillae or an annular pad. The surface of the vallate CTCs and their surrounding pad had small protrusions. The foliate papillae were represented by 5–6 laminae separated by grooves. The foliate CTCs appeared as oval grooves limited by laminar projections. Regional variations of the filiform papillae and the presence of three types of gustatory papillae suggest specialization of the Nile foxes' tongue to their omnivorous diet.

中文翻译:

尼罗河狐 (Vulpes vulpes aegyptica) 舌乳头及其结缔组织核心的三维研究 (Linnaeus, 1758)

尼罗河狐狸 ( Vulpes vulpes aegyptica) 是最大的埃及狐狸,分布在埃及不同的地理区域。目前的研究旨在通过使用扫描电子显微镜研究尼罗河狐舌乳头及其结缔组织核心 (CTC) 的三维特征。舌头背面存在五种类型的舌乳头:丝状、圆锥状、菌状、颚状和叶状。一般来说,丝状乳头由一个主乳头和几个从其基部出现的附属突起组成。根据舌头的区域,丝状乳头的长度、形状和附属突起的数量不同。存在两种类型的丝状 CTC;要么是圆锥形的,要么是由一个主芯和几个副芯组成的。展示了两种类型的锥形乳头和两种类型的锥形 CTC;细长的三角形和大的圆锥形。此外,还展示了两种类型的菌状乳头;圆形和细长的菌状乳头。菌状 CTC 呈厚柱状,有几个平行的垂直褶皱。存在六个谷状乳头,它们被凹槽和锥形乳头或环形垫包围。vallate CTCs 的表面及其周围的垫有小突起。叶状乳头由被凹槽隔开的 5-6 层代表。叶状 CTC 表现为受层状投影限制的椭圆形凹槽。丝状乳头的区域变化和三种类型的味觉乳头的存在表明尼罗河狐狸的舌头专门用于杂食性饮食。展示了两种类型的菌状乳头;圆形和细长的菌状乳头。菌状 CTC 呈厚柱状,有几个平行的垂直褶皱。存在六个谷状乳头,它们被凹槽和锥形乳头或环形垫包围。vallate CTCs 的表面及其周围的垫有小突起。叶状乳头由被凹槽隔开的 5-6 层代表。叶状 CTC 表现为受层状投影限制的椭圆形凹槽。丝状乳头的区域变化和三种类型的味觉乳头的存在表明尼罗河狐狸的舌头专门用于杂食性饮食。展示了两种类型的菌状乳头;圆形和细长的菌状乳头。菌状 CTC 呈厚柱状,有几个平行的垂直褶皱。存在六个谷状乳头,它们被凹槽和锥形乳头或环形垫包围。vallate CTCs 的表面及其周围的垫有小突起。叶状乳头由被凹槽隔开的 5-6 层代表。叶状 CTC 表现为受层状投影限制的椭圆形凹槽。丝状乳头的区域变化和三种类型的味觉乳头的存在表明尼罗河狐狸的舌头专门用于杂食性饮食。菌状 CTC 呈厚柱状,有几个平行的垂直褶皱。存在六个谷状乳头,它们被凹槽和锥形乳头或环形垫包围。vallate CTCs 的表面及其周围的垫有小突起。叶状乳头由被凹槽隔开的 5-6 层代表。叶状 CTC 表现为受层状投影限制的椭圆形凹槽。丝状乳头的区域变化和三种类型的味觉乳头的存在表明尼罗河狐狸的舌头专门用于杂食性饮食。菌状 CTC 呈厚柱状,有几个平行的垂直褶皱。存在六个谷状乳头,它们被凹槽和锥形乳头或环形垫包围。vallate CTCs 的表面及其周围的垫有小突起。叶状乳头由被凹槽隔开的 5-6 层代表。叶状 CTC 表现为受层状投影限制的椭圆形凹槽。丝状乳头的区域变化和三种类型的味觉乳头的存在表明尼罗河狐狸的舌头专门用于杂食性饮食。叶状乳头由被凹槽隔开的 5-6 层代表。叶状 CTC 表现为受层状投影限制的椭圆形凹槽。丝状乳头的区域变化和三种类型的味觉乳头的存在表明尼罗河狐狸的舌头专门用于杂食性饮食。叶状乳头由被凹槽隔开的 5-6 层代表。叶状 CTC 表现为受层状投影限制的椭圆形凹槽。丝状乳头的区域差异和三种类型的味觉乳头的存在表明尼罗河狐的舌头专门用于杂食性饮食。
更新日期:2021-05-19
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