It provides motor innervation to some of the muscles around the ear.

它为耳朵周围的一些肌肉提供运动神经。

Ventral roots contains neurons that carry motor innervation from the spinal cord to the muscles.

腹根的神经元可以传导从脊髓到肌肉的运动信号。

Finally the first thoracic nerve root or T1 provides sympathetic innervation for the head, neck, and eyes.

最后，第一条胸神经根（T1）含有交感神经，支配头部、颈部与眼。

In the center of these osteons, there are hollow spaces called Haversian canals, which contain the blood supply and innervation for the bone cells.

在这些骨单位的中心，这个中空的部分被称作哈弗斯管，提供了为骨细胞供应血液以及神经支配的空间。

Peripheral nerves that originate from the brain are called cranial nerves, and they're in charge of motor and sensory innervation of the head and neck.

从脑发出的周围神经叫做脑神经，支配着头颈的运动和感觉。

In oculomotor nerve palsy, the eyeball is in a " down and out" position due to a loss of innervation of muscles controlled by the nerve.

动眼神经麻痹时，眼球会处在一个" 向下向外" 的位置，这是由于对应肌肉失去了动眼神经的支配。

Acquired include 1. Neurogenic Basically, there is an innervation defect of the muscles, and because nerves supplying the muscles are not working, the muscles will be unable to work properly.

后天的包括1. 神经源性上睑下垂基本上是因为肌肉有神经支配缺陷，由于供应肌肉的神经不起作用，肌肉就不能正常工作。

Klumpke's Palsy occurs when there's a disruption of the innervation to the muscles of the hand caused by an injury to the nerve roots C8 or T1 or to the lower trunk of the brachial plexus.

当支配手部肌肉的C8、T1神经根或臂丛下干受损时，就会发生Klumpke麻痹。