Objective To study the changes of the foveolae avascular zone in diabetic patients. 目的研究糖尿病视网膜病变患者的黄斑拱环改变。
The study of cancerous cells in their developing stages in the tissues taken from the neighborhood of the tumours revealed that there were 4 types of histogenesis of gastric-cardia carcinoma: 1.cancerous degeneration of cells at the glandular necks in the gastric foveolae; 通过对癌旁组织中新生的微小胃癌组织发生观察,发现胃贲门癌的组织发生有下列方式:(1)胃小凹腺颈部细胞癌变;