Korean Journal of Veterinary Research (대한수의학회지)

The Korean Society of Veterinary Science (대한수의학회)
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Morphological study on the development of the tongue in fetuses and neonates of Korean native goat (Capra hircus)

한국재래산양(Capra hircus)의 태아 및 신생아의 혀 발달에 관한 형태학적 연구

  • Cho, Cyu-Hyen (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Kim, Chong-Sup (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Koh, Phil-Ok (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Kang, Byoung-Il (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Lee, Jong-Hwan (College of Veterinary Medicine, Konkuk University) ;
  • Won, Chung-Kil (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University)
  • 조규현 (경상대학교 수의과대학 동물의학연구소) ;
  • 김종섭 (경상대학교 수의과대학 동물의학연구소) ;
  • 고필옥 (경상대학교 수의과대학 동물의학연구소) ;
  • 강병일 (경상대학교 수의과대학 동물의학연구소) ;
  • 이종환 (건국대학교 수의과대학) ;
  • 원청길 (경상대학교 수의과대학 동물의학연구소)
  • Accepted : 2005.09.15
  • Published : 2005.12.29
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Abstract

This study was carried out to investigate the morphological development of the tongue in the 60-, 90- and 120-day-old fetuses and neonates of Korean native goats by light microscopy. In 60-day-old fetuses, the tongue tissues were differentiated into epithelium, lamina propria, and muscle layer. The primordia of filiform, conical, lentiform, fungiform, and vallate papillae appeared by this time, and rudiments of taste buds were observed in the epithelia of the primordia gustatory papillae. The dorsal lingual epithelia were PAS positive. Collagenous fibers and blood vessels were present in the lamina propria. In 90-day-old fetuses, the gustatory glands were moderately positive for PAS and muscle fibers, and connective tissues were developed. In 120-day-old fetuses, many taste buds were observed in the gustatory papillae. The muscle bundles, collagenous fibers, blood vessels and gustatory glands were well developed. In neonates, over 40 taste buds were found in a transverse section of the vallate papillae. Muscle layers, blood vessels, collagenous fibers and gustatory glands were very well developed.

Keywords

References

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