目的：了解鸡内耳血管盖的超微结构，为其生理、病理学的研究提供资料。
Objective:To study the ultrastructure of the tegmentum vasculosum(TV) in chick inner ear so as to obtain important information for its physiology and pathology.
结论：颅内血管痉挛是眩晕发生的主要相关原因，前庭及内耳微循环障碍是眩晕症的发生机理；
Conclusions: Encephalic blood vessel convulsion is the main cause that leads to vertigo, vestibule and inner ear microcirculation obstruction is the mechanism causing vertigo;
方法：分别应用透射电镜和扫描电镜对10只成年鸡内耳蜗管微血管的超微结构进行观察。
Method: Transmission electronic microscope and scanning electronic microscope were used to observe the ultrastructure of microvessel in cochleas of 10 chicks.
结论糖尿病可导致内耳毛细血管超微结构的变化，包括基底膜增厚。
Conclusion There are significant ultrastructural changes of inner ear capillaries in experimental diabetic rats including basement-membrane thickening.
结论糖尿病可导致内耳毛细血管超微结构的变化，包括基底膜增厚。
Conclusion There are significant ultrastructural changes of inner ear capillaries in experimental diabetic rats including basement-membrane thickening.
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