• 대한치과의사협회지
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• 제10권11호
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• pp.769-771
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• 1972

The authors had observed a case of oxyphilic adenoma occurred in the right parotid gland of 29 year old woman. The results are as follows. 1. The 5x5x2 cm. sized mass had induration and accompanied pus discharge. 2. Tumor cells were revealed large eosinophilic cells having round or oval nuclei lying in the periphery, and mitotic figures could not be seen. 3. The cell membrane of tumor cells were obscure, and lymphoid tissue and infiltration of small round cells were observed in stromal connective tissue.

• 한국동물위생학회지
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• 제30권2호
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• pp.283-286
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• 2007

Fungus generally doesn't produce toxic or harmful substances so it has low chances to cause food poisoning. However it leads to change appearance, odor and characteristics of the contaminated foods and result in sanitary risk problems. Therefore the contamination of fungi should be prevented since they are not proper for human consumption. Green fungi with white outline raised from the air cell of cooked eggs which were collected by Gyeongi Livestock Veterinary Service in August, 2006. The results came out after the cultivation using Sabouraud's Dextrose Agar(SDA). The conidium appeared white and monospore, the shape of colony was round and oval. Conidiophore was brown and granulated and wrinkles and formed. It was confirmed as Aspergillus nidulans based on the dying using Lactophenol cotton blue, the observation of septum and vesicle from the grown spores, and rDNA sequencing.

• 대한수의학회지
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• 제15권2호
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• pp.241-250
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• 1975

The light and electron microscopic observations were carried out in order to know the morphological changes of the testicular Leydig cells in the mouse injected with testosterone propionate for a long period. The results obtained were as follows: With the light microscopic study, atrophy of the Leydig cells and larger sudanophilic lipid granules in the experimental group than normal were observed. 2. By the electron microscopic finding, the small spherical or oval mitochondria, large lipid droplets, a decrease in number of smooth endoplasmic reticutum and distended saccular or vacuolar smooth endoplasmic reticulum were observed in the experimental group. Membranous whorls with droplet increased in number and size in the experimental group.

• 대한세포병리학회지
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• 제5권1호
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• pp.61-64
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• 1994

Chondroblastoma is a benign bone tumor accounting for less than 1 % of bone tumor. It infrequently involves the flat bones, among which ribs are particularly rare. On fine needle aspiration cytology, the diagnostic smear consists of chondroblasts, osteoclast-like giant cells, and chondroid matrix. The cytologic hallmark to differentiate from other giant cell-containing lesions is chondroblasts. We experienced a case of chondroblastoma in a 13-year-old female. Fine needle aspiration cytology from the 5 th rib revealed dispersed chondroblasts and osteoclast-like giant cells on hemorrhagic background. Chondroblasts had round to oval nuclei with fine, evenly distributed chromatin and distinctive grooves or indentation. Their cytoplasm was well-defined.

• Animal cells and systems
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• 제2권3호
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• pp.389-393
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• 1998

We localized a calcium-binding protein, calretinin, in the superior colliculus of the mouse and studied the distribution and effect of eye enucleation on the distribution of this protein. Calretinin was localized with immunocyto-chemistry. A dense plexus of anti-calretinin-labeled fibers was found within the superficial layers. The highest density was found in the deep superficial gray layer. Monocular enucleation produced an almost complete reduction of calretinin-immunoreactive fibers in the superficial layers of the superior colliculus contralateral to the enucleation. Furthermore, many calretinin-labeled cells appeared in the contralateral superior colliculus. These newly appeared neurons had small oval or round cell bodies. The results demonstrate that calretinin identify unique neuronal sublaminar organizations in the superior colliculus of the mouse. They also suggest that the retinal projection may control in part the content of calretinin in some neurons in the superficial layers of the mouse superior colliculus.

• 한국동물위생학회지
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• 제40권2호
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• pp.139-142
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• 2017

A six-year-old male captive nutria (Myocastor coypus) maintained in a closed space with a small vent was found dead in his cage. Gross findings showed multifocal nodules in varying sizes, small 0.5 to large 5 cm in diameter, intermixed with normal parenchyma were scattered all over the surface of the lungs and a kidney, which the cut surface was smooth, compact and whitish in color. Microscopically, small round to oval neoplastic cells with modest to slight amounts of cytoplasm formed acinar and gland-like structures. Immunohistochemically, cells were strongly positive for E-cadherin and slightly reactive for thyroid transcription factor-1 (TTF-1). Based on those diagnostic features, the neoplasia was diagnosed as primary pulmonary adenocarcinoma (small cell type) and metastasized into the kidney. This is the first case report of malignant pulmonary tumor and its metastasis in the nutria.

• Journal of Species Research
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• 제13권1호
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• pp.100-104
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• 2024

The purpose of this study was to isolate and identify wild yeasts from soil samples collected in Daegu and Cheongju city, Republic of Korea. To identify the wild yeast strains, pairwise sequence comparisons of D1/D2 region of the 26S rRNA gene sequence were done using Basic Local Alignment Search Tool (BLAST). The cell morphologies were observed by phase contrast microscope and assimilation test are done using API 20C AUX kit. All strains were assigned to the phylum Basidiomycota. Among 13 strains, 11 strains were previously reported, but two strains were unreported from the Republic of Korea. The two unrecorded yeast strains, GW1-3 and PG1-1-10C, belong to the genus Solicoccozyma (family Piskurozymaceae, order Filobasidiales, class Tremellomycetes). The two strains had oval-shaped and polar budding cells. This research showed the morphological and biochemical properties of the two unreported yeast species that had not officially reported in Korea.

• Journal of Species Research
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• 제13권1호
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• pp.105-110
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• 2024

The purpose of this study was to isolate and identify wild yeasts from soil samples collected in Seoul and Daejeon, Republic of Korea. To identify wild yeast strains, pairwise sequence comparisons of D1/D2 region of the 26S rRNA gene sequence were done using Basic Local Alignment Search Tool (BLAST). The cell morphologies were observed by phase contrast microscope and carbon source assimilation test were done using API 20C AUX kit. Among the 13 isolated strains, 11 strains were previously reported, but two strains have never been reported from Republic of Korea. The 13 strains were assigned to the phylum Basidiomycota. The two unrecorded yeast strains B2UV-201 and DJ1-5-B-10C belong to the genera Rhodotorula and Rhodosporidiobolus, respectively. The two unrecorded yeast strains are oval shaped and polar budding cells. This research focuses on the morphological and biochemical properties of the two unreported yeast species that have not officially been reported in Korea.

• Journal of Species Research
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• 제13권2호
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• pp.142-146
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• 2024

The purpose of this study was to isolate and identify wild yeasts from soil collected in Daegu City and Cheongyang County, Republic of Korea. Among 11 strains isolated in this study, nine strains were previously reported and two strains were unreported in Republic of Korea. To identify wild yeast strains, pairwise sequence comparisons of the D1/D2 region of the 26S rRNA gene sequence were done using Basic Local Alignment Search Tool (BLAST). The cell morphologies were observed by phase contrast microscope and assimilation test are done using API 20C AUX kit. All strains were assigned to the phylum Basidiomycota. Of the two unrecorded yeast strains, CY-9-10C belongs to the genus Mrakia (family Mrakiaceae, order Cystofilobasidiales, class Tremellomycetes) and PG3-4-10C belongs to the genus Slooffia (family Chrysozymaceae, order Microbotryomycetes incertae sedis, class Microbotryomycetes). Both strains had oval-shaped and polar budding cells. This research described the morphological and biochemical properties of the two unreported yeast species that had not officially reported in Korea.

• Journal of Species Research
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• 제13권2호
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• pp.136-141
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• 2024

The purpose of this study is to isolate and identify wild yeasts from the soil samples collected in Daegu and Daejeon City, Republic of Korea. Among 15 strains isolated in this study, 13 strains were previously reported and two strains had not been reported in Republic of Korea. To identify wild yeast strains, pairwise sequence comparisons of D1/D2 region of the 26S rRNA gene sequence were done using Basic Local Alignment Search Tool (BLAST). The cell morphologies were observed by phase contrast microscope and assimilation tests were done using API 20C AUX kit. All strains were assigned to the phylum Basidiomycota. The two unrecorded yeast strains, PG2-2-10C and DJ2-14-10C, belong to the genus Holtermanniella (family Holtermanniaceae, order Holtermanniales, class Tremellomycetes) and Goffeauzyma (family Filobasidiaceae, order Filobasidiales, class Tremellomycetes), respectively. The two unrecorded yeast strains had oval shape and polar budding cells. This research describers the morphological and biochemical properties of the two unreported yeast species that had not officially reported in Korea.