Comparative light and scanning electron microscopic studies of the lenses in the insectivorous bat (Pipistrellus kuhlii) and Egyptian fruit bat (Rousettus aegyptiacus).

التفاصيل البيبلوغرافية
العنوان:	Comparative light and scanning electron microscopic studies of the lenses in the insectivorous bat (Pipistrellus kuhlii) and Egyptian fruit bat (Rousettus aegyptiacus).
المؤلفون:	Aboelnour A; Department of Histology and Cytology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt., Gewaily MS; Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt., Noreldin AE; Department of Histology and Cytology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt.
المصدر:	Microscopy research and technique [Microsc Res Tech] 2024 Jul; Vol. 87 (7), pp. 1436-1442. Date of Electronic Publication: 2024 Feb 24.
نوع المنشور:	Journal Article; Comparative Study
اللغة:	English
بيانات الدورية:	Publisher: Wiley-Liss Country of Publication: United States NLM ID: 9203012 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-0029 (Electronic) Linking ISSN: 1059910X NLM ISO Abbreviation: Microsc Res Tech Subsets: MEDLINE
أسماء مطبوعة:	Original Publication: New York, NY : Wiley-Liss, c1992-
مواضيع طبية MeSH:	Chiroptera/anatomy & histology , Microscopy, Electron, Scanning , Lens, Crystalline*/ultrastructure, Animals ; Microscopy/methods ; Egypt ; Epithelial Cells/ultrastructure
مستخلص:	Bats have the ability to fly without eye application in the darkness. In this study, we aimed to characterize the functional and structural acclimations of the lenses of two common bats with a various lifestyle in the Egyptian environment: the insectivorous bat (IB) (Pipistrellus kuhlii) and Egyptian fruit bat (FB) (Rousettus aegyptiacus). From each species, seven lenses were extracted from adult eyes. The scanning electron microscopic (SEM) and light microscopic examination of the lens were carried out. FB lenses were made up primarily of fiber cells and sheets, which were encapsulated by a thin collagenous capsule and covered by single epithelial layer anteriorly. On the other hand, the IB lens had two poles and was visibly oval shaped. Both lenses had epithelial cells of the same cuboidal form that were subjected to continuous division and differentiation into new fiber cells at the center. SEM revealed that the normal FB lens had regularly organized shells of fiber cells of intact lens fibers which were connected by membrane interdigitations with different shapes mainly ball-and-socket junctions through the superficial cortical fiber cells. The IB lens was composed of parallel, evenly spaced fibers with various types of interdigitations between fibers that can be seen and increased close to the middle region revealing tiny bumps along the scrubby portions and sockets and balls in the center of the wide portions. Near the center of both lenses, there were large interlocking paddles with little and lengthy protrusions along their short sides. In conclusion, our study discovered several ultrastructural and structural variations among the investigated species. The detection of specialized membrane interdigitations with different shapes protruding from the lens fiber sheets is considered the most characteristic of the FB lens. RESEARCH HIGHLIGHTS: FB lens has more organized sheets of fibers parallel to each other than IB lens. Different shapes of interdigitations protruded from the FB lens have been detected. Interlocking paddles, balls, and sockets with tongue-like fiber flabs are characteristic to FB lens. (© 2024 Wiley Periodicals LLC.)
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فهرسة مساهمة:	Keywords: Egyptian fruit bat; insectivorous bat; lens
تواريخ الأحداث:	Date Created: 20240224 Date Completed: 20240601 Latest Revision: 20240601
رمز التحديث:	20240602
DOI:	10.1002/jemt.24532
PMID:	38400686
قاعدة البيانات:	MEDLINE

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تدمد:	1097-0029
DOI:	10.1002/jemt.24532