...腹腔注射异氟烷建立镇痛模型,用甩尾法和扭体法观察鞘内注射α2受体阻断药育亨宾对异氟烷镇痛小鼠甩尾潜伏期(tail-flick latency, TFL)和扭体次数的影响.
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以痛兴奋神经元、痛抑制神经元和甩尾潜伏期的变化作为痛阈的观察指标。
The changes of pain-excited neurons, pain-inhibited neurons, and tail-flick latency were taken as observation indexes of pain threshold.
方法：在浅麻大鼠，采用行为学方法，测定甩尾反射潜伏期（TFL）并结合鞘内给药途径观察药物作用。
METHODS: Behavior studies, by testing tail-flick latency (TFL) combined with intrathecal application of drugs, were conducted in lightly anesthetized rats.
方法：以浅麻状态大鼠的甩尾反射潜伏期(TFL)为痛阈指标，采用核团内微量注射的方法。
Methods: the tail flick latency (TFL) regarded as an index, microinjection technique was used in lightly pentobarbital-anesthetized rats.
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