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한국산 오디흑연가시, Chordodes koreansis, (철선충목, 유선형동물문)의 형태학적 연구
노용태 ( Yong Tai Noh ),백광민 ( Kwang Min Baek ),문인호 ( In Ho Moon ) 건국대학교 기초과학연구소 1991 理學論集 Vol.16 No.-
The morphological character of Chordodes koreansis was studied with light microscope, transmission and scanning electron microscope. The body is slender and elongated, the males are shorter than the females. The body wall consist of cuticular layer, subcuticular layer and muscle layer. The epicuticle is a thin superficial layer whose surface shows the rows of polygonal elevation. Alternating layers of fibers cross one another diagonally and most of cuticle is filled with fibers layer. The subcuticular layer is a single layer varing from a low cuboidal to a columnar shape. The muscle layer consists of longitudinally arranged each cell containg many filaments. The digestive tract is more or less degenerated. A patent mouth is opened to the foregut and the midgut is a lump of simple epitherial cells lying in the pseudocoel. The midgut is surrounded by unidentified tissue. The sexes arc separated and the gonads consist of a pair of cylindrical bodies running the body length in both sexes. There is no genitalia in both sexes. In males, each testis continues posterioly and enters the cloaca separately from its follow by a way of short duct deferens. In females, the reproductive system consists of a pair of ovary, oviduct, single uterus and seminal receptacle. The pseudocoel is filled with parenchymal cells and gonad. The parenchymal cells are the irregular, polygonal or spindle-shape cells. Enclosing the parenchymal cells is a basal lamina, and external to that is the collagenous ma trix that isolates the parenchymal cells from one another.
백광민,홍희기,김성수,강채동 경희대학교 산학협력기술연구원 2004 산학협력기술연구논문집 Vol.10 No.2
This study is to find a proper condition of a way out of flow rate and control temperature of solution in ice slurry type about ice adhesion problem of dynamic system manufacturing ice slurry system with non-mechanical motion. An additive of solution consists of ethylene glycol(EG) 1 mass%, silane coupling agent(SCA) 3 mass% and water 96 mass%, and control temperature of brine is maintained at regular temperature through the basic test. The flow rate of solution set a datum point each of 5, 10, 14 LPM and the control temperature of solution is tested at O.5℃ intervals from -1.0℃ to -3.0℃, considering the density of additives. After supercooling is reduced, generating continuous ice formation for over an hour which does not produce ice adhesion is chosen the best stable condition.
한국산 오디혹연가시, Chordodes koreansis, (철선충목, 유선형동물문)의 형태학적 연구
백광민,노용태,문인호 建國大學校基礎科學硏究所 1991 理學論集 Vol.16 No.-
철선충의 형태학적 연구를 위해서 Chordoes koreansis를 광학현미경, 투과전자현미경 및 주사 전자현미경을 이용한 관찰결과의 요약은 다음과 같다. 몸은 가늘고 길며, 수컷은 암컷보다 길이가 짧다. 체벽은 큐티클층, 각피하층, 근층으로 구성되어 있다. 겉큐티클(epicuticle)층은 얇은 층으로 그 표면에는 굴곡이 심한 오디모양의 유두돌기가 있다. 큐티클의 섬유층은 격자상으로 큐티클층의 대부분을 차지한다. 각피하층(subcuticular layer)은 낮은 입방형에서 원주형의 세포들이 밀집되어 단일층을 이루고 있다. 근층은 종주근으로 되어 있다. 소화관은 퇴화형이었고, 뚜렷한 입이 있으며, 바로 전장으로 열린다. 중장은 내강이 없이 밀착된 상태로 하나의 세포덩어리에 불과하다. 본 연구에서는 다른 종에서 보이지 않는 전단부의 중장을 덮고 있는 조직이 발견되었으며, 그 기능이나 조직학적 구조는 아직 밝혀지지 않았다. 암·수 딴몸으로 교미기는 따로 없으며, 모두 생식소(gornads)가 쌍을 이루어 몸의 길이를 따라 달린다. 수컷에 있어서 생식소는 후단부에서 작은 수정관을 통해서 배설강으로 열리고, 암컷은 한쌍의 난소종관 그리고 단자궁 및 수정낭으로 구성되어 있다. 체강의 대부분은 유조직과 생식소에 의해 채워져 있으며, 유조직 세포는 불규칙한 다각형 또는 원추형의 모양을 하고 있다. 유조직 세포는 기저막에 의해 둘러싸이고 기저막 외측은 collagen 기질이 세포와 세포사이의 경계를 이룬다. The morphological character of Chordodes koreanisis was studied with light microscope, transmission and scanning electron microscope. The body is slender and elongated, the males are shorter than the females. The body wall consist of cuticular layer, subcuticular layer and muscle layer. The epicuticle is a thin superficial layer whose surface shows the rows of polygonal elevation. Alternating layers of fibers cross one another diagonally and most of cuticle is filled with fibers layer. The subcuticular layer is a single layer varing from a low cuboidal to a columnar shape. The muscle layer consists of longitudinally arranged each cell containg many filaments. The digestive tract is more or less degenerated. A patent mouth is opened to the foregut and the midgut is a lump of simple epitherial cells lying in the pseudocoel. The midgut is surrounded by unidentified tissue. The sexes are separated and the gonads consist of a pair of cylindrical bodies running the body length in both sexes. There is no genitalia in both sexes. In males, each testis continues posterioly and enters the cloaca separately from its follow by a way of short duct deferens. In females, the reproductive system consists of a pair of ovary, oviduct, single uterus and seminal receptacle. The pseudocoel is filled with parenchymal cells and gonad. The parenchymal cells are the irregular, polygonal or spindle-shape cells. Enclosing the parenchymal cells is a basal lamina, and external to that is the collagenous matrix that isolates the parenchymal cells from one another.