关在设施充实笼子中老鼠与关在标准笼中的老鼠相比，淀粉斑更少、斑尺寸更小、类淀粉样血管病变减轻。
Mice housed in the enriched environment had fewer A plaques , smaller plaque size , and reduced amyloid angiopathy compared to mice housed in standard cages .
老鼠斑