Press-fit components avoid the need for screw placement, which carries the added risks of neurovascular injury and fretting wear between screw and shell.
假体压配式固定避免了螺钉的使用，因为其会导致血管神经损伤以及螺钉和臼杯磨损的风险。
Myelin sheaths showed shell-like structure, but its lamellar structure disappeared. Swelling of neurons and mitochondria was more obvious than which in 2-hour post injury group.
髓鞘成为空壳样结构，板层结构消失；神经元肿胀较前明显，细胞质内的线粒体肿胀明显。
Myelin sheaths showed shell-like structure, but its lamellar structure disappeared. Swelling of neurons and mitochondria was more obvious than which in 2-hour post injury group.
髓鞘成为空壳样结构，板层结构消失；神经元肿胀较前明显，细胞质内的线粒体肿胀明显。
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