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Comparative study of the eyelids and orbital glands morphology in the okapi (Okapia johnstoni, Giraffidae), Père David's deer (Elaphurus davidianus, Cervidae) and the Philippine mouse-deer (Tragulus nigricans, Tragulidae).

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dc.contributor.authorNawrot, Joanna Elżbieta Klećkowska
dc.contributor.authorHarłajczuk, Karolina Goździewska
dc.contributor.authorBarszcz, Karolina
dc.date.accessioned2022-11-04T09:21:15Z
dc.date.available2022-11-04T09:21:15Z
dc.date.issued2020
dc.description.abstractThe accessory organs of the eye represent part of the protective system of the eyeball. In the present study, an examination of the accessory organs of the eye of three species of captive ruminants was performed using light microscopy. In the okapi, the superficial gland of the third eyelid and lacrimal gland were complex branched multilobar tubular glands formed by mucous units with tubular secretory portions and no plasma cells. The deep gland of the third eyelid was absent in the okapi and present in both the Père David’s deer and the Philippine mouse-deer. In the Philippine mouse-deer, the deep gland had a very thick connective capsule and thick interlobar septae. It contained fewer lobes forming the gland parenchyma compared to Père David’s deer and other ruminants. Organized lymphoid follicles were present within the upper and lower eyelids only in the okapi and Père David’s deer, while diffuse lymphocytes were observed in the Philippine mouse-deer. The orbital glands in the Père David’s deer had a multilobar tubuloacinar structure with numerous plasma cells and a mucoserous character. In contrast to the Philippine mouse-deer, these glands had a serous character. The presence of several macroscopic and microscopic structural differences of the examined accessory organs of the eye in the three captive ruminant species may be understood within an ecological context and may be associated with different habitat-specific environmental conditions.es
dc.formatapplication/pdfes
dc.format.extent18es
dc.identifier.citationHistology and Histopathology Vol. 35, nº 2 (2020)
dc.identifier.doihttps://doi.org/10.14670/HH-18-144
dc.identifier.issn0213-3911
dc.identifier.issn1699-5848
dc.identifier.urihttp://hdl.handle.net/10201/125186
dc.languageenges
dc.publisherUniversidad de Murcia, Departamento de Biologia Celular e Histiologiaes
dc.relationSin financiación externa a la Universidades
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectMorphologyes
dc.subjectHistologyes
dc.subjectHistochemistryes
dc.subjectAccessory organs of the eyees
dc.subjectRuminantses
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicina::616 - Patología. Medicina clínica. Oncologíaes
dc.titleComparative study of the eyelids and orbital glands morphology in the okapi (Okapia johnstoni, Giraffidae), Père David's deer (Elaphurus davidianus, Cervidae) and the Philippine mouse-deer (Tragulus nigricans, Tragulidae).es
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.35, nº2 (2020)