她说她的团队目前正在研究动脉内的树突细胞在接受不同的信号后如何运动和发生改变。
She says her team is now investigating how the dendritic cells in arteries move and change as they receive various signals.
中等程度的主动脉狭窄的患儿在手术前可能要限制活动。例如，需要耐力的竞争性运动可能要限制。
Activity may be limited in children who have moderate aortic stenosis prior to repair. For instance, competitive sports that require endurance may be restricted.
由于位于心脏的表面，冠状动脉一直不断地在运动。
Owing to their position on the surface of the heart, the coronary arteriesare in constant motion.
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