Light and Scanning Electron Microscopic Study of the Tongue in the Cormorant Phalacrocorax carbo (Phalacrocoracidae, Aves)(Morphology)

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概要

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• The tongue of the cormorant Phalacrocorax carbo is a small, immobile structure with a length of 1.4cm, situated in the middle part of the elongated lower bill. The uniquely shaped tongue resembles a mushroom, with a short base and an elongated dorsal part with sharpened anterior and posterior tips. A median crest can be observed on the surface of the tongue. Examination by light and scanning electron microscopy revealed that the whole tongue is formed by a dense connective tissue with many bundles of elastic fibers. The lingual mucosa is covered by a multilayered keratinized epithelium. The thickest, horny layer of the lingual epithelium was observed on the surface of the median crest and on the posterior tip of the tongue. Lingual glands are absent in cormorants. The framework of the tongue is composed of a hyoid cartilage incorporated into the base. The localization and structure of the tongue in the cormorant show that it is a rudimentary organ and that the lingual body, usually well-developed in birds, is conserved.

• 社団法人日本動物学会の論文
• 2006-02-25

著者

• Jackowiak Hanna

  Agricultural Univ. Poznan Poznan Pol

• Jackowiak Hanna

  Department Of Animal Anatomy Agricultural University Of Poznan

• Godynicki Szymon

  Department Of Animal Anatomy Agricultural University Of Poznan

• Andrzelewski Wojciech

  Department of Inland Fishery and Aquaculture, Agricultural University of Poznan

• Andrzelewski Wojciech

  Department Of Inland Fishery And Aquaculture Agricultural University Of Poznan

• Andrzejewski Wojciech

  Department of Inland Fishery and Aquaculture, Agricultural University of Poznan

関連論文

• The microstructure of lingual papillae in the Egyptian fruit bat (Rousettus aegyptiacus) as observed by light microscopy and scanning electron microscopy
• Light and Scanning Electron Microscopic Study of the Tongue in the Cormorant Phalacrocorax carbo (Phalacrocoracidae, Aves)(Morphology)
• The Variability of Cranial Morphology in Modern Horses(Morphology)

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