Morphological study of the lingual papillae in the fruit bat (Rousettus amplexicaudatus) by scanning electron microscopy and light microscopy |
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Authors: | Geraldus Gunawan Golda Rani Saragih Yusuf Umardani Srikanth Karnati Hevi Wihadmadyatami Dwi Liliek Kusindarta |
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Affiliation: | 1. Department of Anatomy, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia;2. Integrated Laboratory for Research and Testing, Universitas Gadjah Mada, Yogyakarta, Indonesia;3. Institute of Anatomy and Cell Biology, Julius Maximilian University of Würzburg, Würzburg, Germany |
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Abstract: | This study was carried on the tongues of ten normal, healthy and adult fruit bats (Rousettus amplexicaudatus, also known as the nyap biasa bat) in Yogyakarta, Java Island, Indonesia. The tongue was protrusible, elongated and flat with a rounded apex, and its width and thickness increased gradually towards to lingual root. There were two main types of lingual papillae, mechanical (filiform) and gustatory (fungiform and circumvallate). The tongue was divided into three parts (apex, corpus and radix), and then, each part was subdivided into three regions (two lateral regions and a median region). There were six subtypes of the filiform papillae—three types on the anterior part (small, scale-like and giant), one type on the middle part (leaf-like papillae) and two types on the posterior part (rosette-shaped filiform and conical filiform papillae)—in addition to transitional papillae presented on the corpus and radix. Two types of gustatory papillae were represented by a small number of fungiform papillae that are scattered among the filiform papillae on the lingual apex and corpus, while three circumvallate papillae on the posterior part are arranged in a “V” shape pointing directly at the larynx. |
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Keywords: | light microscope lingual papillae Rousettus amplexicaudatus scanning electron microscope |
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