结果：人类颈7神经根含运动纤维约8893根，其中前股3010根，后股5883根；
Results: There were about 8893 motor fibers in C7, 3010 and 5883 in anterior and posterior division respectively.
临床治疗中用颈椎卧位牵引为主。甲基强的松龙局封前斜角肌及颈神经根。
Cervical Traction and cervical nerve root novocaine block were mainly used to treat cervical spondylosis and th syndrome.
研究颈髓脊髓前动脉、前根动脉阻断对颈髓缺血性损伤的影响。
Results: The ventral roots lay in front of the denticulate ligament, while the dorsal one behind it.
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