过敏性休克时心肌收缩力减弱，小血管扩张，毛细血管通透性增加。
When allergic shock the cardiac muscle shrinkage force is weaken, the minute vessel expands, the blood capillary permeability increases.
由这些细胞释放出的组胺导致小血管扩张，引起众所周知的症状，比如搔痒、口腔肿胀、皮疹、鼻子发痒或流鼻涕，或腹泻。
Histamine released by these cells causes small blood vessels to dilate, giving rise to the well-known symptoms such as itching and swelling in the mouth, skin rash, itchy or runny nose or diarrhoea.
检查时可发现该肿瘤有如下特征：无痛性结节，表面光亮呈蜡样，质硬不活动，有珍珠般光泽，边缘卷曲且有小的扩张血管。
On examination the tumor may have the following characteristics: painless nodule, shiny and waxy, indurated, firm and immobile, pearly, rolled border, and small telangiectatic vessels.
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