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Diagnosis of canine distemper by in situ hybridization
1999
Cho, H. | Park, N.Y. | Kim, Y.H. | Cho, K.O. | Park, H.S. | Park, Y.S. | Lee, B.J. | Chung, C.Y. | Im, H.H. (Chonnam National University, Kwangju (Korea Republic). College of Veterinary Medicine)
We have developed in situ hybridization(ISH) technique for rapid diagnosis of canine distemper(CD) which is the major infectious disease in dogs. In our experiment, we rapidly detected distribution of the specific canine distemper viral genome without disrupting morphology of tissues of cells. Two oligonucleotide probes for ISH were synthesized chemically and labelled 5' end with nonisotopic biotin by DNA synthesizer. The whole procedures of ISH was completed within 1~2 hours using the Microcapillary action system. On histological study, typical cytoplasmic or intranuclear inclusion bodies wer observed in the trachea, bronchiole, brain, and urinary bladder with the presence of prominent red positive signals on ISH, indicating specific CDV genome from the paraffin-embedded tissues of infected 13 cases. The results showed ISH can be used as a rapid and effective diagnostic method for diagnosis of CD.
Mostrar más [+] Menos [-]Morphometrical analysis of chicken Cryptosporidium on electron microscopy
1999
Park, N.Y. | Kim, Y.S. | Chung, C.Y. | Cho, K.O. | Park, Y.S. | Lee, B.J. | Park, H.S. (Chonnam National University, Kwangju (Korea Republic). College of Veterinary Medicine)
Morphometrical analysis of chicken Crytosporidium baileyi in various stages of life cycle in the bursa of Fabricius wer carried out by electron microscope to establish a differential point for identification of C baileyi. By avidin-biotin complex method, protozoans of the bursa of Favricius were identified Cryptosporidium spp. The size and area on each developmental stages of C baileyi, as measured by Morphomat 10 attached to electron microscope were as follews. Trophozoites' size with range of 3.21+_0.70*2.49+_0.59 micro meter, area with range of 118. 82+_41.92 micro meter2; meronts' size with 3.99+_1.07*2.96+_0.52 micro meter, area 210.11+_57.11 micro meter2 ; merozoites' size 1.98+_0.43*0.60+_0.18 micro meter, area 24.10+_5.97 micro meter2; microgametes' size 1.36+_0.83*0.50+_0.23 micro meter, area 20.23+_6.73 micro meter2; macrogametes'size 4.57+_0.65*4.02+_0.55 micro meter, area 258.37+_51.83 micro meter2; oocytes' size 4.39+_0.56*3.44+_0.50 micro meter, area 187.21 +_62.68 micro meter2. In conclusion, the size and area on each developmental stages of Cryptosporidium baileyi is different from that of other Cryptosporidia spp. It suggests, with considering tissue tropism and life cycle, morphometrical analysis can be quite a good way to identify C baileyi.
Mostrar más [+] Menos [-]Morphological studies on the development of the tracheal cartilage in the Korean native cattle fetus
1997
Lee, Y.H. | Kim, I.S. | Yang, H.H. | Park, Y.K. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine)
The histological studies on the development of cartilage canal in calcaneus of the Korean native cattle fetus
1997
Ahn, D.C. | Kim, I.S. | Lee, Y.H. | Park, Y.S. | Yang, H.H. | Paik, Y.K. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine) | Lee, C.O. (National Veterinary Research Institute, Anyang (Korea Republic))
Localization of adrenergic receptors in bovine esophageal groove
1993
Kang, T.M. | Cho, J.Y. | Yang, I.S. (Seoul National University, Seoul (Korea Republic). College of Veterinary Medicine) | Park, J.H. (Cheju National University, Cheju (Korea Republic). College of Agriculture)
Anatomical study on the mandible of the Korean native goat
1993
Lee, H.S. | Lee, S.J. (Seoul National University, Suwon (Korea Republic). College of Veterinary Medicine)
Morphological studies on the major salivary gland of the Korean native goat
1992
Kim, J.S. (Taegu Univ., Taegu (Korea Republic). Coll. of Rehabilitation Science) | Lee, H.S. | Lee, I.S. | Yi, S.J. (Seoul Nat'l Univ., Suwon (Korea Republic). Coll. of Veterinary Medicine)
Study on functional elevations of sperm-host glands in domestic hens, 1; Histochemical and electron microscopical observations
1991
Kwak, S.D. | Woo, H.C. | Choe, S.Y. (Gyeongsang National Univ., Chinju (Korea Republic). Coll. of Veterinary Medicine)
Three-dimensional reconstruction of the supraoptic and paraventricular nuclei of the Korean native goat using a plaster
1991
Lee, B.H. (Gyeongsang National Univ., Chinju (Korea Republic). Coll. of Medicine) | Lee, H.S. | Lee, I.S. | Yi, S.J. (Seoul National Univ., Suwon (Korea Republic). Coll. of Veterinary Medicine)
Pregnancy-associated changes in morphological and histochemical characteristics of the uterine cervix of the native Korean cattle
1988
Park, G.M. | Yang, H.H. | Paik, Y.K. (Chonbuk National Univ., Chonju (Korea R.). Cell. of Agriculture)
This study was performed to investigate the effect of gestation on the histological and histochemical changes of the uterine cervix of the native Korean cattle. A total of 110 cows obtained from the chonbuk abattoir were divided into six groups. The 1st group was of 9 non-pregnant cows and 101 singleton pregnant cows were grouped into 5 groups from pregnant I to pregnant V according to gestation periods by means of crown rump length measures. For light microscopy the tissues were fixed in 10% neutral formalin and processed routinely for paraffin sections. The 6um sections were taken and stained with H-E, Alcian blue pH 1.0, Alcian blue pH 2.5, Alcian blue pH 2.5/PAS, PAS reaction, toluidin blue, and trichrome. The cervical lengths and widths were increased in relation to advancing gestation. The cervical mucosubstance was composed of mixed mucopolysaccharides; the acid mucus was increased from the early pregnant state but the neutral mucus was found after pregnant IV, and the mucus was stained deeply in each staining in the fold cavity in according to gestation state.
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