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ultrastructural observations of The Anterior Chamber Angle Tissues in Congenital Glaucoma

眼科学报 1994年第1期10卷 50-56,49页

作者： Jinyong Lin, Wei Sun, Enjiang Li, Sihui Wang,Jingwen Bai, Haixian YangTianjin Eye Hospital, Tianjin 300040, China Tianjin Medical Cellege, Tianjin 300000, China Tianjin Eye Hospital China.

Eighteen trabeculectomy specimens of congenital glaucoma were examined by light and transimssion electron microscopy. The results showed that the primary anomalies in congenital glaucoma included the developmental defects of trabecular meshwork, excessive collagen fibrils in the trabecular matrix, shifting forward of ciliary muscle fibres and persistent mesenchymal tissues in the anterior-chamber angle. The authors also pointed out the importance of the secondary lesions of the trabecular meshwork in th...

关键词： congenital glaucoma ultrastructural observation pathogenesis

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Effect of Sodium Selenite on Pathological Changes and Renal Functions in Broilers Fed a Diet containing Aflatoxin B1

Effect of Sodium Selenite on Pathological Changes and Renal ...

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第七届中国畜牧科技论坛

作者： Liang na Wang fengyuan Peng xi Fang jing Cui hengmin Chen zhengli Lai weimin Zhou yi Geng yi Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province College of Veterinary MedicineSichuan Agricultural University

To evaluate the renal toxicity of dietary aflatoxin B(AFB) and ameliorating effects of added dietary sodium selenite in broiler,renal histopathological changes,ultrastructural changes and renal function parameters were monitored at 7,14,and 21 days of *** hundred one-day-old healthy male Avian broilers were divided into four groups,namely control group,AFB group(0.3 mg/kg AFB),+Se group(0.4 mg/kg Se) and AFB +Se group(0.3 mg/kg AFB +0.4 mg/kg Se).Compared with that of the control group,the relative weight of kidney was increased in the AFB *** were no significant differences between the AFB +Se group and the control *** histopathological observation,the renal epithelia were swelling and necrosis at 7 and 21 days of ***,the lipid droplets and expanded endoplasmic reticulum appeared in the plasma of epithelia cells in the *** mitochondria with degenerated cristae were observed in the+Se *** with the control group,the contents of serum creatinine and serum uric acid in the AFBgroup were increased,while the activity of renal Na-K ATPase was *** 0.4mg/kg selenium was added into the diet containing 0.3 mg/kg AFB,there were no obvious histological changes in the AFB +Se group,and the contents of the serum creatinine and serum uric acid contents and the activity of renal Na-K ATPase were close to those in the control *** conclusion,sodium selenite exhibited protective effects on AFB-induced kidney toxicity in broilers.

关键词： Aflatoxin B1 Sodium Selenite Pathological observation ultrastructural observation Renal Function Broiler

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