Cholangiocarcinoma refers to malignant tumors that develop in epithelial lining of biliary system,and it is divided into......

目的探讨东方鲎消化道上皮细胞的超微结构特点，方法通过冷冻蚀刻和超薄切片电镜技术，应用透射电镜对雌性东方鲎食道至直肠各段上皮细......