ON THE TONGUE PAPILLAE OF A ZEBRA (EQUUS LEBRA)

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  • シマウマ Equus Lebra Linnaeus の舌乳頭に就て
  • シマウマ Equus Lebra Linnaeus ノ ゼツ ニュウトウ ニ シュウテ

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Abstract

Lingual papillae were studied on the zebra (Equus lebra) aged 12 old. The results were summarized as follows. On the dorsal surface of the tongue there were viewed, Papillae vallatae, Papillae foliatae, Papillae fungiformes, Papillae filiformes, and Papillae conus. 1) Papillae vallatae occurring counted 3. They were very large, longitudinal diameter 8∿10mm-, oval or longoval in shape. The taste buds numbering approximately 10-15 were located on the epithelium facing to the groove, but few in the rate of the size. 2) Papilae foliatae were small, longitudinal diameter 10mm, counted approximately 5-6 groove. The taste buds counted approximately 10-15. 3) Papillae fungiformes were distributed on the lateral margin of the anterior of the tongue (5-7 on each side). They lacked taste buds, but in the Lamina propria muoosa nerve fibers bundle were rich. 4) Papillae conus occured on the lateral margin of the tongue (30-40 on each side).

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