disarticulation meaning in English

关节截肢术
关节离断术
关节切断术，关节断离术
关节脱落

What is " disarticulation " exactly
肢解到底是怎么回事儿
The histopathological changes were evaluated through light microscope after disarticulation sections ( h . e . stain ) , and the changes in mucopolysaccharide density in cartilage matrix were measured using a optimas scanner analyzer after alcian blue staining
黏多醣类分布的变化则将切片经硷性蓝染色后以欧帝玛扫瞄仪加以分析，并将其对严重度指标的改变及组织病理学上的变化上的相关性作进一步探讨。