دورية أكاديمية
Morphological examination of the visual system and orbital region in the red panda (Ailurus fulgens fulgens).
العنوان: | Morphological examination of the visual system and orbital region in the red panda (Ailurus fulgens fulgens). |
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المؤلفون: | Klećkowska-Nawrot JE; Department of Biostructure and Animal Physiology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Kozuchowska 1, Wroclaw, 51-631, Poland., Goździewska-Harłajczuk K; Department of Biostructure and Animal Physiology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Kozuchowska 1, Wroclaw, 51-631, Poland. k.gozdziewska.wroc@gmail.com., Barszcz K; Department of Morphological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Nowoursynowska 159, Warsaw, 02-787, Poland. karolina_barszcz@sggw.edu.pl., Stegmann KO; GeoWild, Marsz. Jozefa Pilsudskiego 74 lok. 320, Wroclaw, 50-020, Poland. |
المصدر: | BMC veterinary research [BMC Vet Res] 2024 Jul 02; Vol. 20 (1), pp. 284. Date of Electronic Publication: 2024 Jul 02. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: BioMed Central Country of Publication: England NLM ID: 101249759 Publication Model: Electronic Cited Medium: Internet ISSN: 1746-6148 (Electronic) Linking ISSN: 17466148 NLM ISO Abbreviation: BMC Vet Res Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: London : BioMed Central, 2005- |
مواضيع طبية MeSH: | Ailuridae*/anatomy & histology, Animals ; Male ; Orbit/anatomy & histology ; Eye/anatomy & histology ; Eyelids/anatomy & histology |
مستخلص: | Objectives: The red panda is currently the only surviving member of the Ailuridae family in the Caniformia suborder. In this study, we provide data on anatomical, morphometric, histological and histochemical examination of the orbital region, eyelids, orbital gland, and eye tunics in two adult males Ailurus fulgens fulgens from the Wroclaw Zoological Garden, Poland. Methods: The study involved morphometric analysis of the eyeball and selected accessory organs of the eye, along with analysis of the bony orbit, including its morphometry, macroscopic, and microscopic evaluation. Microscopic evaluation encompassed histological and histochemical staining, with the former involving hematoxylin & eosin (H&E), Movat pentachrome, picro-Mallory trichrome, Fontana-Masson, and the latter including PAS, AB pH 1.0, AB pH 2.5; AB pH 2.5/PAS, and HDI. Results: The upper (UE) and lower (LE) eyelids presented well-developed tarsal glands, sebaceous glands, and a characteristic simple alveolar gland (producing a mucous secretion). The palpebral part of the lacrimal gland was present. A single lymphoid follicle was observed only in the upper eyelids. The superficial gland of the third eyelid (SGTE) was a multilobar acinar complex that produces mucous secretion and is contained within the interlobular ducts of numerous aggregates of lymph nodes. The third eyelid (TE) was T-shaped and composed of hyaline tissue, containing CALT. The lacrimal gland (LG) also revealed a multilobar acinar complex that produced mucous secretion, with a single lymphoid follicle. The cornea consisted of 4 layers, as Bowman's membrane was absent. The Vogt palisades composed of 7-10 layers of epithelial cells were demonstrated. The pupil was horizontally ovoid at rest (post-mortem). The sphincter pupil and the dilator pupil were well developed. Macroscopically, the tapetum lucidum appeared as a milky, non-opalescent crescent. Histologically, the choroidal tapetum lucidum cellulosum consisted of 5 to 9 layers of loosely packed oval cells. The retina showed a composition similar to that of terrestrial nocturnal carnivores. Conclusions: The results of our research indicate that the anatomical features of the eye and orbital region in the red panda share similarities with those described in the Musteloidea clade, as well as the Canidae and Ursidae families. (© 2024. The Author(s).) |
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فهرسة مساهمة: | Keywords: Eye tunics; Eyelids; Lacrimal gland; Orbital gland; Superficial gland of the third eyelid |
تواريخ الأحداث: | Date Created: 20240703 Date Completed: 20240703 Latest Revision: 20240705 |
رمز التحديث: | 20240705 |
مُعرف محوري في PubMed: | PMC11221124 |
DOI: | 10.1186/s12917-024-04152-2 |
PMID: | 38956555 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1746-6148 |
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DOI: | 10.1186/s12917-024-04152-2 |