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흰쥐 腦의 中心扁桃核에서의 Substance P 및 Enkephalin 함유구조의 형태학적 특징
마도훈,조희중,김은희,박매자,배용철,홍해숙,주강 慶北大學校 醫科大學 1990 慶北醫大誌 Vol.31 No.4
흰쥐 뇌의 중심편도핵에서의 substance P (SP) 및 Enkephalin (ENK) 함유신경세포 및 축삭종말의 분포를 관찰하기 위하여 peroxidase antiperoxidase법을 행하여 다음의 결과를 얻을 수 있었다. SP함유신경세포는 중심편도핵의 medial zone에 분포하였고 SP함유축삭종말은 lateral capsular zone에서 고밀도로 관찰되었다. SP함유신경세포는 원형 내지는 타원형이었고 2∼3개의 근위수상돌기(proximal dendrite)를 가졌다. ENK함유신경세포 및 축삭종말은 공히 central 및 lateral capsular zone에 존재하였다. ENK함유 신경세포는 직경이 약 17-24㎛ 정도였고 3∼4개의 근위수상돌기를 관찰할 수 있었다. The central amygdaloid nucleus is rich in a number of neuropoptides. The present study examines the distribution and morphological characteristics of substance P (SP) and leucine-enkephalin (ENK) containing neurons in this nucleus. The results obtained were as follows: SP immunoreactive cells were observed within the medial zone and SP immunoreactive axon terminals were heaviest within the lateral capsular zone. The immunoreactive cells were round or oval shape (diameter, 15-20㎛) and had two or three proximal dendrites. ENK immunoreactive cells and axon terminals located within central and capsular zones. The immunoreactive cells were round or oval shape (diameter, 17-24㎛) and had three or four proximal dendrites.
Two-dimensional photonic crystal color filter development
Cho, Eun-Hyoung,Kim, Hae-Sung,Cheong, Byoung-Ho,Oleg, Prudnikov,Xianyua, Wenxu,Sohn, Jin-Seung,Ma, Dong-Joon,Choi, Hwan-Young,Park, No-Cheol,Park, Young-Pil The Optical Society 2009 Optics express Vol.17 No.10
<P>Reflective color filters using two-dimensional photonic crystals based on sub-wavelength gratings were proposed and constructed. Using low-cost nanoimprint lithography, an amorphous silicon layer was deposited through the low-temperature PECVD process and patterned into two-dimensional structures. The isolated amorphous silicon patterns were readily crystallized using a multi-shot excimer laser annealing at low energy. A study of the close relationship between color filter reflectance and silicon pattern crystallinity is introduced. Theoretical and experimental results show that the proposed color filters have high reflectance and, moreover, decrease the dependence on incident angle compared to one-dimensional photonic crystal color filters.</P>
Jang, Hae In,Choi, Young Earl,Cho, Hwa Jin,Cho, Young Kuk,Ma, Jae Sook The Korean Pediatric Society 2013 Clinical and Experimental Pediatrics (CEP) Vol.56 No.2
Congenital coronary arteriovenous fistulas (CCAFs) are rare coronary artery abnormalities in which blood is shunted into a cardiac chamber or great vessel. If the fistula itself is large and tortuous, it is generally recommended to occlude the fistula to prevent several complications. In approaches of transcatheter occlusion, the transvenous approach is preferred over the transarterial approach. The transvenous approach would enable the cannulation of a relatively larger catheter or sheath without potential damage to the femoral vessels or normal coronary arteries, which can occur in the transarterial approach. The transvenous approach may also minimize the blind pouch after releasing the devices. Herein, we report the success of transvenous proximal closure of a CCAF using an Amplatzer vascular plug (AVP) in a 3-year-old patient with cardiomegaly. Complete occlusion was achieved by a single AVP and thrombus formation of the distal aneurysmal portion of the fistula. We suggest that this strategy of closing the proximal end with a dilated fistula using a single AVP by the transvenous approach may be a good option in treating CCAFs in a young child.
조마해,김우기,Cho, Ma-Hae,Kim, Woo-Ki 대한소아외과학회 2000 소아외과 Vol.6 No.1
Despite of advances in perinatal management and treatment modalities congenital diaphragmatic hernia(CDH) remains a frustrating problem. Although the sheep has proven to be a reliable experimental model for the production of intrauterine CDH, the rabbit may have some advantages. These include lower cost, smaller body size, year-round availability, high number of fetuses per pregnancy, and short gestational period. To evaluate the feasibility of the rabbit model of CDH, twenty-seven pregnant New Zealand rabbits were utilized. Hysterotomy and an operative procedure for creating a diaphragmatic defect on gestational day 24 or 25, in two fetuses of each pregnant rabbit were performed. In one fetus of one cornu of the uterus, the left fetal diaphragm was excised through an open thoracotomy(DH group). In another fetus in the other cornu, CDH was created and the trachea clipped(Surgiclip, USSC, Norwalk, Conn., USA) (TL group). Delivery was by Cesarean section on 30 days of gestation. Among twenty- seven pregnant rabbits, 12 in the DH group and eight in the TL group were born alive. The most common herniated organ was the left lobe of the liver. In thee DH group, the lungs were hypoplastic with decreased lung weight/body weight ratio, reduced numbers of alveoli, thicker media of the pulmonary arteries, and immature alveoli. In TL group, the alveoli were more mature and did not differ from the control animals. In conclusion, (1) pulmonary hypoplasia develops in the fetal rabbit diaphragmatic hernia model and (2) simultaneous tracheal ligation prevents pulmonary hypoplasia.
조마해,한석주,Cho, Ma-Hae,Han, Seok-Joo 대한소아외과학회 1997 소아외과 Vol.3 No.1
The association of pyloric atresia and epidermolysis bullosa(EB) in newborn is rare and inheritant as an autosomal recessive trait. We report a newborn girl with pyloric atresia and epidermolysis bullosa. Blisters were noted on her skin at birth, especially in pressure-exposed area, and later on the oral mucosa. Junctional epidermolysis bullosa was confirmed by light microscopy and electron microscopy. Radiography revealed pyloric atresia. Segmental resection of 1.5 cm and gastroduodenostomy were carried out at 4 days of age. Protein loosing enteropathy developed after oral feeding. The frequency of episodes of nonscarred blisters and the severity and duration improved significantly with time. The protein loosing enteropathy was persistent, and at 1 year of age, her growth is markedly retarded.