disarticulate

/ˌdɪsɑːrˈtɪkjəleɪt/
verb
  1. To separate or disconnect at a joint, especially in a skeleton or mechanical structure.
    • The archaeologist carefully disarticulated the ancient skeleton to study each bone.
    • In the lab, students learned how to disarticulate a chicken wing to examine the bones.
    • The mechanic had to disarticulate the robot's arm to replace the damaged joint.