Tongue microarchitecture and functional characterization of the lingual papillae in the desert hedgehog (Paraechinus aethiopicus)

Massoud, Diaa, AbdRabou, Mervat A, Fouda, Maged, Shaldoum, Fayez, Alrashdi, Barakat M, Germoush, Mousa O, Alfassam, Haifa E, Al‐ Otaibi, Aljohara M, Soliman, Soha A, Abd‐Elhafeez, Hanan H, Hassan, Mervat and Mahmoud, Ayman M ORCID: https://orcid.org/0000-0003-0279-6500 (2023) Tongue microarchitecture and functional characterization of the lingual papillae in the desert hedgehog (Paraechinus aethiopicus). Journal of Experimental Zoology Part A: Ecological Genetics and Physiology, 341 (2). pp. 151-162. ISSN 1932-5223

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Official URL: http://dx.doi.org/10.1002/jez.2770

Abstract

The present work attempted to provide a comprehensive description of the morphoanatomical, histological, and ultrastructural characteristics of the tongue in the desert hedgehog (Paraechinus aethiopicus), and to correlate lingual modifications to the feeding lifestyle. Five adult male hedgehogs were utilized in our investigation. The macroscopic observations revealed elongated, with a moderately pointed apex, tongue and the tongue dorsum lacks both lingual prominence and median sulcus. The main subdivisions of the tongue are radix linguae (root), corpus linguae (body), and apex linguae (apex). The tongue dorsum carries two types of mechanical (conical and filiform) and gustatory (fungiform and circumvallate) papillae. The lingual apex is characterized by the existence of a unique encapsulated muscular structure. Additionally, the lingual glands were interposed between the muscular strands and no lingual glands were detected on the lingual apex. The dorsal surface of the lingual apex exhibited the highest level of keratinization as revealed by histochemical staining while the root showed moderate staining. The topography of the tongue was investigated by scanning electron microscopy (SEM). The obtained results are important to provide basic knowledge that can contribute to better understanding of the nourishment, feeding habits and behavior in this species. Furthermore, the addition of the newly investigated species may help us to determine the evolutionary relationships among species.

Item Type:	Article (Article)
Peer-reviewed:	Yes
Date Deposited:	14 Dec 2023 09:04
Publisher:	Wiley
Additional Information:	This is the peer reviewed version of the following article: Massoud, D., AbdRabou, M. A., Fouda, M., Shaldoum, F., Alrashdi, B. M., Germoush, M. O., Alfassam, H. E., Al- Otaibi, A. M., Soliman, S. A., Abd-Elhafeez, H. H., Hassan, M., & Mahmoud, A. M. (2023). Tongue microarchitecture and functional characterization of the lingual papillae in the desert hedgehog (Paraechinus aethiopicus). Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 1–12., which has been published in final form at https://doi.org/10.1002/jez.2770. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Divisions:	Faculties > Science and Engineering
Subject terms:	desert hedgehog, feeding habit, keratinization, lingual papillae, tongue adaptation
Data Access Statement:	The manuscript contains all data supporting the reported results.
URI:	https://e-space.mmu.ac.uk/id/eprint/633529
DOI:	https://doi.org/10.1002/jez.2770
ISSN	1932-5223
e-ISSN	2471-5646

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