Immunohistochemistry results demonstrated marked inflammation and hyperplasia of fibroblast in adventitia in the control group. 免疫组化结果证实对照组的外膜有明显的炎症反应及纤维母细胞增生。
adventitia
[ noun ] an enveloping or covering membrane or layer of body tissue <noun.body>
adventitia \adventitia\ n. 1. the membranous outer covering of an organ or blood vessel. [WordNet 1.5]