Conclusion: There were Ruffini corpuscles, Pacinian corpuscles, Golgi tendon organ like corpuscles, atypical mechanoreceptors and free nerve endings in the remnant of ruptured ACL. It is material base of remnant preservation during ACL reconstruction. 结论:ACL残端中存在的机械感受器有:Ruffini小体、Pacinian小体、Golgi样腱器官、非典型感受器及游离神经末梢,这是ACL保残重建的物质基础。