Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical Analysis

ABSTRACT This study aimed to investigate the developmental, macroscopic, microscopic and immunohistochemical characteristics of tongue tissues in sheep foetuses collected at three gestational periods. The study was carried out with foetuses collected from pregnant ewes slaughtered in private slaught...

Full description

Saved in:
Bibliographic Details
Main Authors: Barış Can Güzel, İhsan Işbilir, Senem Esin Yavaş, Fatma Işbilir
Format: Article
Language:English
Published: Wiley 2025-07-01
Series:Veterinary Medicine and Science
Subjects:
Online Access:https://doi.org/10.1002/vms3.70403
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1849731659762499584
author Barış Can Güzel
İhsan Işbilir
Senem Esin Yavaş
Fatma Işbilir
author_facet Barış Can Güzel
İhsan Işbilir
Senem Esin Yavaş
Fatma Işbilir
author_sort Barış Can Güzel
collection DOAJ
description ABSTRACT This study aimed to investigate the developmental, macroscopic, microscopic and immunohistochemical characteristics of tongue tissues in sheep foetuses collected at three gestational periods. The study was carried out with foetuses collected from pregnant ewes slaughtered in private slaughterhouses. For this purpose, a total of 15 foetuses, 5 each from the first trimester (38–48 days), second trimester (56–73 days) and third trimester (105–118 days), were used. Foetal tongues were carefully dissected and removed from the oral cavity. First, their macroscopic properties were examined using a stereomicroscope. Scanning electron microscopy was used for microscopic morphological evaluations, and the tongues were examined under a light microscope using Haematoxylin Eosin and Masson Trichrome methods. The expression and localization of cytokeratins (CK)‐5, E‐cadherin, EphB2 and EphB3 proteins in the tongue epithelium were determined by immunohistochemical analysis. According to the results of light and electron microscopy, it was determined that the tongue tissue began to develop in the first trimester, and lingual papillae could be seen as primitive primordia. Although the tongue continued to grow in the second trimester, primitive taste buds and papilla structures were detected. In the last trimester, lingual papillae were observed to become more prominent. In addition to taste buds, serous glands in the papillae were also detected. It was determined that both taste and mechanical papillae formed simultaneously during the development of lingual papillae, and the papillae were located at the apex, body and root without a chronological order. Furthermore, epithelial markers such as CK‐5 and E‐cadherin as well as EphB2 and EphB3 receptor expressions were detected in the epithelium covering the papillae in all three trimesters. In addition to contributing to the morphological literature, our results may provide information for future studies aimed at elucidating the normal development of the tongue and other epithelial tissues in sheep.
format Article
id doaj-art-976bdcd1601f4c0fba20e2e900de7c65
institution DOAJ
issn 2053-1095
language English
publishDate 2025-07-01
publisher Wiley
record_format Article
series Veterinary Medicine and Science
spelling doaj-art-976bdcd1601f4c0fba20e2e900de7c652025-08-20T03:08:28ZengWileyVeterinary Medicine and Science2053-10952025-07-01114n/an/a10.1002/vms3.70403Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical AnalysisBarış Can Güzel0İhsan Işbilir1Senem Esin Yavaş2Fatma Işbilir3Department of Anatomy Faculty of Veterinary Medicine Siirt University Siirt TurkeyDepartment of Pathology Faculty of Veterinary Medicine Siirt University Siirt TurkeyDepartment of Histology and Embryology Faculty of Medicine Bursa Uludag University Bursa TurkeyDepartment of Anatomy Faculty of Veterinary Medicine Siirt University Siirt TurkeyABSTRACT This study aimed to investigate the developmental, macroscopic, microscopic and immunohistochemical characteristics of tongue tissues in sheep foetuses collected at three gestational periods. The study was carried out with foetuses collected from pregnant ewes slaughtered in private slaughterhouses. For this purpose, a total of 15 foetuses, 5 each from the first trimester (38–48 days), second trimester (56–73 days) and third trimester (105–118 days), were used. Foetal tongues were carefully dissected and removed from the oral cavity. First, their macroscopic properties were examined using a stereomicroscope. Scanning electron microscopy was used for microscopic morphological evaluations, and the tongues were examined under a light microscope using Haematoxylin Eosin and Masson Trichrome methods. The expression and localization of cytokeratins (CK)‐5, E‐cadherin, EphB2 and EphB3 proteins in the tongue epithelium were determined by immunohistochemical analysis. According to the results of light and electron microscopy, it was determined that the tongue tissue began to develop in the first trimester, and lingual papillae could be seen as primitive primordia. Although the tongue continued to grow in the second trimester, primitive taste buds and papilla structures were detected. In the last trimester, lingual papillae were observed to become more prominent. In addition to taste buds, serous glands in the papillae were also detected. It was determined that both taste and mechanical papillae formed simultaneously during the development of lingual papillae, and the papillae were located at the apex, body and root without a chronological order. Furthermore, epithelial markers such as CK‐5 and E‐cadherin as well as EphB2 and EphB3 receptor expressions were detected in the epithelium covering the papillae in all three trimesters. In addition to contributing to the morphological literature, our results may provide information for future studies aimed at elucidating the normal development of the tongue and other epithelial tissues in sheep.https://doi.org/10.1002/vms3.70403foetusscanning electron microscopytonguetongue histology
spellingShingle Barış Can Güzel
İhsan Işbilir
Senem Esin Yavaş
Fatma Işbilir
Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical Analysis
Veterinary Medicine and Science
foetus
scanning electron microscopy
tongue
tongue histology
title Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical Analysis
title_full Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical Analysis
title_fullStr Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical Analysis
title_full_unstemmed Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical Analysis
title_short Lingual Papillae in Hamdani Sheep During Foetal Periods: Gross, Scanning Electron Microscopy, Histochemical and Immunohistochemical Analysis
title_sort lingual papillae in hamdani sheep during foetal periods gross scanning electron microscopy histochemical and immunohistochemical analysis
topic foetus
scanning electron microscopy
tongue
tongue histology
url https://doi.org/10.1002/vms3.70403
work_keys_str_mv AT barıscanguzel lingualpapillaeinhamdanisheepduringfoetalperiodsgrossscanningelectronmicroscopyhistochemicalandimmunohistochemicalanalysis
AT ihsanisbilir lingualpapillaeinhamdanisheepduringfoetalperiodsgrossscanningelectronmicroscopyhistochemicalandimmunohistochemicalanalysis
AT senemesinyavas lingualpapillaeinhamdanisheepduringfoetalperiodsgrossscanningelectronmicroscopyhistochemicalandimmunohistochemicalanalysis
AT fatmaisbilir lingualpapillaeinhamdanisheepduringfoetalperiodsgrossscanningelectronmicroscopyhistochemicalandimmunohistochemicalanalysis