接着，在腓肌外侧头和关节囊后外侧角之间解剖，结扎或电凝位于此区内的膝外上动脉的分支。
Next dissect between it and the posterolateral corner of the joint capsule; ligate or cauterize the lateral superior genicular arterial branches located in this area.
尽管前交叉韧带是关节内韧带，但是它位于关节滑囊外，由含粘性蛋白的I型胶原组成，与其他关节外韧带组成相同。
Although the ACL is an intra-articular ligament, it is extrasynovial and composed primarily of type I collagen with viscoelastic properties similar to other ligaments.
观察椎间关节滑膜层及纤维层的结构特点。 结果：椎间关节囊外为纤维层，内为较薄的滑膜层。
Results:There were thick fibrous stratum at external layer and synovialis stratum at internal layer of intervertebral capsula.
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