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자연산 문치가자미, Pleuronectes yokohamae 피부의 육아종
박정준 ( Jung Jun Park ),변주영 ( Ju Young Byoun ),최혜승 ( Hye Sung Choi ),박명애 ( Myoung Ae Park ),권문경 ( Mun Gyeong Kwon ),김석렬 ( Seok Ryel Kim ) 한국어병학회 2011 한국어병학회지 Vol.24 No.3
Among wild marbled sole, Pleuronectes yokohamae caught in west coastal area, Chungnam, tumor-bearing fish were found. Parasites and pathogenic bacteria were not detected and CPE was not observed. Using the light microscope, the epidermal layer of wild P. yokohamae was significantly thickened compared to the normal skin. The lesion was formed papillary folds. Hypertropical epithelial cells revealed karyolysis, marked nucleolus and cloud swelled cytoplasm. In the epidermal layer of the lesion, X-cell that is characterized by oval and small pale nucleus and prominent nucleolus was observed. Dermal layer had newly formed vessels. The size of mucous cell in the papilloma lesion was significantly increased compared to the normal. In this study, no pathogens were found, so future works for finding cause of the papilloma in the P. yokohamae are needed.
주사전자현미경을 이용한 거머리, Limnotrachelobdella sinensis 감염붕어, Carassius auratus의 조직병리학적 관찰
박정준 ( Jung Jun Park ),변주영 ( Ju Young Byoun ),김정호 ( Jung Ho Kim ),최혜승 ( Hye Sung Choi ),박명애 ( Myoung Ae Park ),김석렬 ( Seok Ryel Kim ) 한국어병학회 2011 한국어병학회지 Vol.24 No.3
All of the crucian carp, Carassius auratus and 50% of common carp. Cyprinus carpio examined in this study were infected with the leeches, Limnotrachelobdella sinensis. Especially, the infection of C. carpio with L. sinensis was the first report in Korea. The gill of C. auratus showed increased hydrophic degeneration of epithelial cell in the filament, blood congestion, hyperplasia of epithelial cell in the filament and lamellae. In the SEM observation, gill filament was transformed to the cylinder form by the lamellae fusion. The lamellae surface showed degeneration, fragmentation of microridges. The extracellular cartilaginous matrix of the filaments was exposed by the collapse of epidermal layer. In the 18S rRNA analysis of L. sinensis, the relationships among these groups are not clear and not concord with their morphological classification.