The peripheral nerves originating from the spinal cord are called the spinal nerves.

脊髓发出的周围神经叫做脊神经。

Now we have 31 pairs of spinal nerves which branch off the spinal cord.

我们的脊髓分出31对脊神经。

Sciatica occurs when there's irritation to any part of the sciatic nerve or the spinal nerves that form it.

坐骨神经痛发生在坐骨神经或其任何一部分受到刺激时。

S1 spinal nerve compression affects the ankle-jerk reflex, while L4 nerve compression affects the knee-jerk reflex.

S1受压迫可影响踝反射；而L4受压迫可影响膝反射。

Finally, any growth within the spinal canal like tumor, cysts, or abscesses can cause compression of the spinal nerves.

最后，任何椎管内的占位，如肿瘤、囊肿或脓肿，都可压迫脊神经。

Now, each spinal nerve is in charge of the sensation of a specific area of the skin, called a dermatome.

每一根脊神经都负责着特定区域的感觉，该区域称为皮节。

Dermatomes of the spinal nerves of the sacral plexus cover almost the entire surface of the thigh, leg, and foot.

骶神经丛的脊神经的皮节包括几乎整个大腿、小腿和足的表面。

Dessert was Cheryl's long awaited attempt to solve the problem of her compressed spinal nerves.

甜点是谢丽尔期待已久的解决脊髓神经受压问题的尝试。

The PNS is a vast network of spinal and cranial nerves that are linked to the brain and the spinal cord.

PNS是由连接到脑和脊髓的脊神经和脑神经构成的巨大网络。

It is caused by irritation or damage to the sciatic nerve and spinal nerve roots of sacral plexus, most commonly, as a result of disc herniation.

它是由于坐骨神经或骶神经丛的脊神经根受到刺激或损伤引起的，最常见的病因是继发于椎间盘突出。