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      Musculoskeletal Tail Anatomy of the Javan Pangolin (Manis javanica)

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      Date
      2023-07-27
      Author
      Izam, Tengku Aishah Afiqah Tengku Mohamed
      Nisa', Chairun
      Basri, Chaerul
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      Abstract
      Penelitian anatomi trenggiling jawa (Manis javanica) masih sedikit dilaporkan namun penting bagi mendukung pelestarian spesies terancam penuh tersebut. Penelitian ini bertujuan menggambarkan anatomi muskuloskeletal ekor trenggiling jawa berkaitan dengan fungsi khusus ekor. Sebanyak empat ekor trenggiling jawa diawetkan dalam formalin 10% untuk dijadikan spesimen. Pengamatan dilakukan secara makroskopis terhadap struktur tulang dan otot-otot daerah ekor. Hasil penelitian diuraikan secara deskriptif dan dibandingkan dengan literatur hewan mamalia dan reptil. Berdasarkan hasil pengamatan ditemukan sembilan pasang otot dan satu ligamen pada ekor trenggiling jawa. Bagian dorsal ditemukan m. sacrocaudalis dorsalis medialis, m. sacrocaudalis dorsalis lateralis, m. intertransversarius dorsalis caudalis dan ligamentum interspinalia, sedangkan pada bagian ventral ditemukan m. sacrocaudalis ventralis medialis, m. sacro- caudalis ventralis lateralis, m. coccygeus, m. cutaneus caudalis, m. inter- transversarii caudae, dan m. interchevronii. Otot-otot ekor berorigo dari ossa vertebrae lumbales et caudalis, os sacrocoxae dan berinsertio hingga ke ujung ekor. M. sacrocaudalis dorsalis medialis et lateralis merupakan lanjutan dari otot punggung. Otot ekor ventral lebih berkembang dibandingkan otot ekor dorsal, terlihat pada os chevron dan processus transversus yang berkembang dengan baik. Hasil dari penelitian ini, mendukung dugaan fungsi ekor trenggiling yang kompleks, yaitu menggendong anak, pertahanan saat menggulung, penyangga tubuh dan prehensile, sebagai adaptasi muskuloskeletal ekor trenggiling jawa.
       
      Anatomical studies on the Javan pangolin (Manis javanica) are limited but essential to support conservation efforts of this critically endangered animal. The purpose of the study was to describe the musculoskeletal tail anatomy of Javan pangolin in relation to its specialized tail function. Four specimens of pangolins preserved in 10% formalin were used in the study. Comparisons were made with mammals and reptile literatures. A total of nine pairs of tail muscles and one ligament were found in pangolin tail. Dorsal region were found m. sacrocaudalis dorsalis medialis, m. sacrocaudalis dorsalis lateralis, m. intertransversarius dorsalis caudalis, and ligamentum interspinalia, while the ventral region were found m. sacrocaudalis ventralis medialis, m. sacrocaudalis ventralis lateralis, m. coccygeus, m. cutaneus caudalis, m. intertransversarii caudae and m. inter- chevronii. The tail muscles originate from ossa vertebrae lumbalis et caudalis, os sacrocoxae while insertions were until end of the tail. M. sacrocaudalis dorsalis medialis et lateralis continue from the vertebral column muscles. The ventral tail muscles were more developed than dorsal tail muscles, seen with well-developed os chevron and processus transversus. The Javan pangolin tail was presented with complex tail functions namely for carrying young, roll into ball for defence, postural-prop, and prehensility with adaptation from the tail musculoskeletal tail.
       
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      http://repository.ipb.ac.id/handle/123456789/122705
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      • UT - Anatomy, Phisiology and Pharmacology [1047]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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