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Histological and Morphometric Characterization of Major Salivary Glands in Iranian Long-eared Hedgehog (Hemiechinus auritus) | ||
| Avicenna Veterinary Research | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 02 شهریور 1404 | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22084/avr.2025.31399.1012 | ||
| نویسندگان | ||
| Mohammad Babaei* 1؛ Ali Kalantari-Hesari2؛ Seyyed Amir Ali Mosavi2 | ||
| 1Department of Basic Sciences, Faculty of Veterinary Medicine, Bu-Ali Sina University, Hamedan, Iran | ||
| 2Department of Basic Sciences, Faculty of Veterinary Medicine, Bu-Ali Sina University, Hamedan, Iran. | ||
| چکیده | ||
| The Iranian long-eared hedgehog (Hemiechinus auritus) represents a unique model of mammalian adaptation to arid environments. Despite the critical role of salivary glands in maintaining oral homeostasis and facilitating survival in water-scarce conditions, no histological studies have been conducted on these structures in this species. This pioneering investigation aimed to provide the first comprehensive histological description and morphometric analysis of the three major salivary glands in H. auritus. In this study, five deceased adult hedgehogs (3 females, 2 males) were utilized. The parotid gland exhibited exclusively serous architecture (100%) with densely packed acini, prominent striated ducts, and minimal interlobular connective tissue. Submandibular glands displayed mixed serous-mucous composition with 77.64% serous and 22.35% mucous acini, featuring well-developed ductal systems and serous demilunes. Sublingual glands were predominantly mucous (75.14%) with scattered serous components (24.83%), characterized by large tubuloacinar units and reduced striated duct density. All glands demonstrated typical mammalian salivary gland organization with distinct capsular investments and lobular architecture. This histological characterization of H. auritus salivary glands reveals sophisticated structural adaptations reflecting the species’ xerophilic lifestyle. The serous-dominant parotid facilitates enzymatic digestion of chitinous prey, while the mucous-rich sublingual provides essential mucosal protection against desiccation. The mixed submandibular composition ensures functional versatility. These findings establish a morphological baseline for future comparative studies and highlight the potential of H. auritus as a model for investigating mammalian adaptations to environmental stress. | ||
| کلیدواژهها | ||
| Hemiechinus auritus؛ Salivary glands؛ Histomorphometry | ||
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