Once the needle is safely positioned, there is a second injection into the nerve root where it exits the foramen, a side opening where two vertebrae meet.
当穿刺针安全插到位后，在神经根离开椎间孔的部位，即两个椎体相连接处侧面的开口处进行二次注射。 。
On each side, a nerve root branches off and exits the spine through a space in the back of the vertebra called the foramen.
在每一侧，神经根从椎管分出，通过椎体后方的椎间孔离开脊柱。缴。
An L-shaped stainless steel rod was inserted from the laminectomy toward the intervertebral foramen to compress the nerve root.
一种L形的不锈钢棒从椎板切除部位伸入椎间孔使神经根受到挤压。
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