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논우렁이(Cipangopaludina chinensis malleuta Reeve) 촉수 색소세후의 징세횡조에 관한 연구
송용직,문영진김우갑김창환 한국통합생물학회 1987 동물학회지 Vol.30 No.3
The ultrastructure of the tentacular pigment cells and the origin of the pigment granules in the Chinese mystery snail, Cipangopaludina chinensis malleata Reeve, are studied with electron microscope. Tentacular pigment cells of the Enail are the melanophores which contain electron dense melanosomes(melanin pigment granules) . Melanophores are distributed among the connective tissues but otter kind of dermal chromatephores are not observed. The epidermal melanin units are observed in the epithelial tissues of the tentacles. Among the several kinds of epithelial cells, only the epithelial supporting cells contain these pigment granules. Synthesis of the pigment materials is from the rough ER and pigment granules are finally being packaged and released by the Golgi complexes but limiting membrane of these granules are presumed to be originated from the smooth ER.
논우렁이 촉수(觸手) 수축근(收縮筋)의 미세구조(微細構造)
송용직,김우갑,김창환,Song, Yong-Jik,Kim, Woo-Kap,Kim, Chang-Whan 한국현미경학회 1987 Applied microscopy Vol.17 No.2
The tentacular retractor muscle has many arrays of muscle fiber bundles under the epithelial layer. Most of muscle fiber bundles are arranged in parallel to the longitudinal axes of muscle fibers and a small number of them perpendiculary to them. These smooth muscle cells are filled with compactly arranged myosins and actins. These microfilaments, when the tentacle is protracted, keep abreast with straight for-ward-lined shapes while these microfilaments, when it is retracted, with curved shapes. The foldings in the sarcolemma of the muscle cell, when the tentacle is retracted, lead to the formation of normal subsurface tubules along with which a few mitochondria are included. It is thought that the formation of the sarcolemmal differentiation like the subsurface tubules has a close relation with the protraction and retraction of the tentacle. Mitochondria are found throughout the muscle cell, and sarcoplasmic reticulum (SR) developed greatly in the exoplasm close to the sarcolemma and associated with the cell membrane. Dense bodies are distributed irregularly and thin filaments are scattered around the thick filament in cross-sections, but the thin filaments may be arranged in complete or partial orbits around thick filaments. Complete orbits are infrequent.
논우렁이 촉수(觸手) 칼라세포(Collar Cell)의 미세구조(微細構造)에 관한 연구(硏究)
송용직,김우갑,김창환,Song, Yong-Jik,Kim, Woo-Kap,Kim, Chang-Whan 한국현미경학회 1987 Applied microscopy Vol.17 No.2
There are groups of large monopolar cells containing numerous secretory inclusions in the muscular and connective tissue. These cells contain the electron-lucent vesicles in the size of $0.5{\sim}0.9{\mu}m$, which are secreted to the exterior of the tentacle through their cytoplasmic processes projected to the epithelial layer. Secretory material can be seen accumulating in swollen portions of the granular endoplasmic reticulum. It is postulated that this material is transported to the Golgi-complex and thus the limiting membrane of the inclusions is derived from the Golgi-membrane. An electron lucent material secreted from these cells seems to be similar to fibrous electron lucent material filled in the brush border of the epidermis.
논우렁이 (Cipangopaludina chinensis Malleata)촉수 상피세포의 미세구조
송용직,김창식,김우갑,김창환,Song, Y.J.,Kim, C.S.,Kim, W.K.,Kim, C.W. 한국현미경학회 1985 Applied microscopy Vol.15 No.2
The tentacular epithelial cells of Cipangopaludina chinensis were studied with electron microscope. The tentacular epithelium consists of columnar supporting cells, numerous glandular cells and ciliated cells. Glandular cells are classified into three types; type I (mucous metachromasia cell), type II(mucous goblet cell) and type III. Ciliated cells are subdivided into two types; type I ciliated cell has cilia with typical axoneme(9+2), and type II ciliated cell has cilia with unusual axoneme.
배추흰나비 (Pieris rapae L.) 성충 복안에서의 기관지 미세구조
김창식,함의근,이문호,송용직,김우갑,김창환,Kim, C.S.,Ham, E.K.,Lee, M.H.,Song, Y.J.,Kim, W.K.,Kim, C.W. 한국현미경학회 1985 Applied microscopy Vol.15 No.2
The ultrastructure of the trachea of the compound eye in adult cabbage butterfly, Pieris rapae L., was studied. Trachea under the basement membrane is divided into tracheoles of the ommatidia which blanched 4 tracheoles during 2 divisions. Tracheoles of the ommatidia originated from one tracheolar cell and its nuclear is located under the basement membrane and its cytoplasm enveloped the retinular cell and the retinular pigment cell. The modified structure of tracheoles is located at the first division area of the ommatidia and its size is $8{\mu}mX4.5{\mu}m$. And the length of its taenidium is $0.1{\sim}0.6{\mu}m$, diameter $0.15{\mu}m$, and interval $0.3{\mu}m$.