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手指的感觉神经是由颈段脊髓分出的神经根,在颈腋部组成臂丛神经,再分桡神经、正中神经、尺神经等通过上臂和前臂,成为末梢神经分布到手和手指。当这些部位的神经发生损伤。炎症、受压等,引起感觉异常时就会出现手指麻痛。引起手指麻痛的常见病有以下几种: △末梢神经炎:手指末梢神经由于中毒、感染、维生素B_1缺乏,手指供血障碍等原因,引起炎症反应,都可产生手指麻痛。大多两手
The sensory nerves in the fingers are the nerve roots separated by the cervical spinal cord. The brachial plexus is composed of the axons in the neck. Radial nerves, median nerves and ulnar nerves are distributed to the hands and fingers through the upper arms and forearms. When these parts of the nerve damage occurs. Inflammation, pressure, etc., can cause finger numbness when feeling abnormal. Common causes of finger numbness are the following: △ peripheral neuritis: peripheral nerve of finger due to poisoning, infection, vitamin B_1 deficiency, finger blood disorders and other causes of inflammation, can produce finger numbness. Mostly hands