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Histological and Morphometric Characterization of Major Salivary Glands in Iranian Long-eared Hedgehog (Hemiechinus auritus) | ||
| Avicenna Veterinary Research | ||
| مقاله 6، دوره 1، شماره 2، آذر 2025، صفحه 39-46 اصل مقاله (3.36 M) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22084/avr.2025.31399.1012 | ||
| نویسندگان | ||
| Mohammad Babaei* ؛ Ali Kalantari-Hesari؛ Seyyed Amir Ali Mosavi | ||
| Department 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 rst comprehensive histological description and morphometric analysis of the three major salivary glands in H. auritus. In this study, ve deceased adult hedgehogs (3 females, 2 males) were utilized. Following standard necropsy procedures, parotid, submandibular, and sublingual glands were harvested and xed in 10% buffered formalin. Tissues underwent routine histological processing including dehydration through ascending alcohol series, clearing with xylene, and paraffin embedding. Serial sections (5-7 um) were stained with hematoxylin-eosin. Digital image analysis system comprising light microscope (Medic M-107 BN, China), camera (Dino-Lite), imaging software (Dino Capture V.2), and analysis software (Image-Pro Plus v.6) was employed to determine serous/mucous acinar ratios. This descriptive study focused solely on reporting tissue architecture without statistical comparisons. 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 re ecting 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 ndings 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؛ Histology؛ Morphometry؛ Desert adaptation Iran | ||
| مراجع | ||
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