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Gyuhyen Cho,Munki Kim,Sijoon Lee,Chongsup Kim,Chungkil Won 한국발생생물학회 2016 발생과 생식 Vol.20 No.4
The purpose of the present study was to investigate the morphological characteristics of the developing vallate papillae (VP) of Korean native goats using scanning electron microscopy. In prenatal development of the VP, primordia of the VP were observed and the moat was shallowly spread in 60-day-old fetuses. The moat of the vallate papillae was shallowly spread and still undifferentiated in 90-day-old fetuses. The trench wall of the moat of the VP was well developed in 120-dayold fetuses. In neonates, the moat of the VP was more widely and deeply engraved and VP were developed as completely as those of adults. In postnatal development, VP were observed to have continually increased in size with slight morphological changes until 90-days after birth. Taste pores of the VP were shaped like flower leaves in 120-days after birth. The microridges and microplicaes were well developed on the epithelial surface of the VP in goats ranging from 120-day-old fetuses to 120-day-old postnatal animals. These results suppose that the sensing ability for gestation of VP was already well developed by the time of its birth and VP were differentiated into a variety of different shape and size during development.
Gyuhyen Cho,Mun-Ki Kim,김곤섭,Chong-Sup Kim,원청길 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.4
The aim of this study was to investigate the morphological development pattern of conical papilla (CP) on prenatal and postnatal periods in Korean native goats by scanning electron microscopy. Tongues were removed from fetuses on days 90, 120, and neonates and from juveniles on days 30, 50, 60, 75, 90, 120, 150 and 180 after birth. The lengths of CP were 194~240 μm in the neonates, 335~485 μm in the weaning period of 60-day-old goats, and 526~662 μm in the maturing period of 180-day-old goats. The primordia of CP in 90-day-old fetuses, shaped like mountain berry, were sprouted. The CP of 120-day-old fetuses was a cylinder shape with apex whose center was a little bit concave and the margin was sticking up like a low fence. The CP of neonates was empty inside and the secondary papillae were irregularly arranged fence-like structures on it. In 60-day-old goats, CP was an obliquely sectioned cylinder shape compacted in inner surface. 120-day-old goats had various shapes of CP, which surface was smooth. 150- and 180-day-old goats had a low elevation of CP. The microridges, microplicae and micropits were well developed on the epithelial surface of lingual papillae from 60- to 120-day-old goats. These findings indicate that CP of goat has a variety of sizes and shapes during development.
Cho, Gyuhyen,Kim, Munki,Lee, Sijoon,Kim, Chongsup,Won, Chungkil The Korean Society of Developmental Biology 2016 발생과 생식 Vol.20 No.4
The purpose of the present study was to investigate the morphological characteristics of the developing vallate papillae (VP) of Korean native goats using scanning electron microscopy. In prenatal development of the VP, primordia of the VP were observed and the moat was shallowly spread in 60-day-old fetuses. The moat of the vallate papillae was shallowly spread and still undifferentiated in 90-day-old fetuses. The trench wall of the moat of the VP was well developed in 120-day- old fetuses. In neonates, the moat of the VP was more widely and deeply engraved and VP were developed as completely as those of adults. In postnatal development, VP were observed to have continually increased in size with slight morphological changes until 90-days after birth. Taste pores of the VP were shaped like flower leaves in 120-days after birth. The microridges and microplicaes were well developed on the epithelial surface of the VP in goats ranging from 120-day-old fetuses to 120-day-old postnatal animals. These results suppose that the sensing ability for gestation of VP was already well developed by the time of its birth and VP were differentiated into a variety of different shape and size during development.
Chungkil Won, Gyuhyen Cho, Munki Kim, Gonsup Kim, Chongsup Kim 충북대학교 동물의학연구소 2013 Journal of Biomedical and Translational Research Vol.14 No.3
The purpose of this study was to explore the morphological characteristics of developing lentiform papilla (LP) in Korean native goats by scanning electron microscopy (SAM). Tongues were removed from fetuses on days 90, 120, neonates, and juveniles on days 30, 60, 90, 120, 150, and 180. In prenatal development, the primordia of LP in 90-day-old fetuses were round and spotted on the inner most part of the torus linguae of the tongue. Primordia of LP in 120-day-old fetuses also had a lens-like shape. In neonates, LP displayed similar features as the adult one. In postnatal juveniles on days 30 and 60, LP continually increased in size without much difference in structure compared to that of neonates. By postnatal day 90, detached pieces of keratinized superficial epithelia were observed. Microridges and microplicae were well developed on the epithelial surface of LP in 60- to 120-day-old goats. The lengths of LP were 476~514 μm in neonates, 687~962 μm in the weaning period of 60-dayold goats, and 1,068~1,567 μm in the maturing period of 180-day-old goats. These findings indicate that goat LP has different sizes and shapes from those of other species during development
Chungkil Won, Gyuhyen Cho, Munki Kim, Gon-Sup Kim, Chongsup Kim 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.4
The aim of this study was to investigate the morphological development pattern of conical papilla (CP) during prenatal and postnatal periods in native Korean goats by scanning electron microscopy. Tongues were removed from fetuses on days 90, 120, and neonates and from juveniles on days 30, 50, 60, 75, 90, 120, 150, and 180 after birth. The lengths of CP were 194~240 μm in neonates, 335~485 μm in the weaning period of 60-day-old goats, and 526~662 μm in the maturing period of 180-day-old goats. The primordia of CP in 90-day-old fetuses, shaped like mountain berry, were sprouted. The CP of 120-day-old fetuses was a cylinder shape with an apex whose center was slightly concave and the margin was sticking up like a low fence. The CP of neonates was empty inside and the secondary papillae were irregularly arranged fence-like structures on it. In 60-day-old goats, CP was an obliquely sectioned cylinder shape compacted in inner surface; the shapes of CP varied in 120-day-old goats, and had a smooth surface. A low elevation of CP was observed in 150- and 180-day-old goats. The microridges, microplicae, and micropits were well developed on the epithelial surface of lingual papillae in 60- to 120-day-old goats. These findings indicate that CP of goats has a variety of sizes and shapes during development.
Chungkil Won, Gonsup Kim, Gyuhyen Cho 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.3
The aim of this study was to investigate the morphological development of fungiform papillae in native Korean goats by scanning electron microscopy (SEM). Tongues were removed from fetuses on days 120 and 150 of gestation and from juveniles on days 30, 60, 90, 120, 150, and 180 after birth. The sizes of fungiform papillae in the newborn were 225.0-250.0 μm, the weaning period of 60-day-old goats was 271-294 μm and the maturing period of 180-day-old goats was 385-398 μm, respectively. The primordia of fungiform papillae had the typical feature of a mushroom shape in a 120-day-old fetus. In a 150-day-old fetus (neonate), fungiform papillae had features similar to those of the adult form and showed a gradual increase in size with slight morphological changes until 150-day-old goats. Microridges, microplicae, and micropits were well developed on the epithelial surface of lingual papillae from 60 to 150-day-old goats. The results obtained in this study might provide some basic data on the mechanisms that control the morphogenesis and development of the lingual papillae in ruminants.
김곤섭,Gyuhyen Cho,Heechan Won,Daeoh Kwark,원청길 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.3
The aim of this study was to investigate the morphological development of fungiform papillae in Korean native goats by scanning electron microscopy (SEM). Tongues were removed from fetuses on days 120 and 150 of gestation and from juveniles on days 30, 60, 90, 120, 150 and 180 after birth. The sizes of fungiform papillae in the newborn were 225.0-250.0 μm, the weaning period of 60-day-old goats were 271-294 μm and the maturing period of 180-day-old goats were 385-398 μm, respectively. The primordia of fungiform papillae had the typical feature of mushroom shape in 120-day-old fetus. In 150-day-old fetus (neonate), fungiform papillae had similar feature as adult form and were gradually increased in size with slight morphological changes until 150-day-old goat. The microridges, microplicae and micropits were well developed on the epithelial surface of lingual papillae from 60 to 150-day-old goat. The results obtained in this study might provide some basic data of the mechanisms that control the morphogenesis and development of the lingual papillae in the ruminants.