在我们身体内部,脊髓几乎每时每刻都在工作可谓尽职尽责。除头、面部外,全身的感觉冲动都经脊髓白质的上行纤维束才能传到脑。由脑发岀的冲动也要通过脊髓白质的下行纤维束,才能调节躯干,四肢骨骼肌以及部分内脏的活动。瞧,它在两分钟内帮外福来解决了两大问题。情景一:我要抓痒1.“啊!好痒!”右手肘上的皮肤受到刺激,痛苦地向脊髓发出呼救信号。2.“皮肤发痒了。”脊髓收到信息,一刻不停地立即传递给大脑。 Within our bodies, the spinal cord can work diligently almost at all times. In addition to the head, face, the whole body feeling impulsive white matter by the uplink fiber bundles can spread to the brain. Impulse from the brain also through the spinal cord white matter down the fiber bundle, in order to regulate the trunk, limbs, skeletal muscle and part of the activities of the internal organs. Look, it helps solve two major problems in two minutes. Scenario 1: I want to itch 1. “ah! Good itch!” “The skin on the right elbow was stimulated, painful to the spinal cord issue a distress signal. 2. ”The skin is itchy." The spinal cord receives the message and is instantly passed on to the brain.