The skin of bottom lip is supplied by infra orbital nerve which is branch of maxillary branch of trigeminal nerve. The nerve may be pinched somewhere in its course.
ulna
you would say what a nerve cell is made of (cell wall, nucleus, membrane...) and then maybe put a diagram at the bottom of your explanation so the reader can fully understand what you mean.
Vestibular nerve and cochlear nerve combines to form the vestibulocochlear nerve or the auditory nerve.
By self regenerating, they mean that when you start an action potential, it continues in proximal (nearby) tissue (e.g., nerve). The depolarization of the action potential continues along the nerve.
to lose one's nerve - to take fright, to panic
A motor nerve is part of the nervous system that moves muscles.
You didn't say which meaning of the word you wanted to use. Nerve can mean a part of the body. Nerve pain can be a symptom of diabetes. The brain is made of many nerve cells. Nerve can also mean courage. He had the nerve to face the giant when nobody else would. You can also use nerve as a slang. "To get on one's nerves" means to bother or annoy one. "You are getting on my last nerve," Mom warned.
nerve
to have the "ballsy nerve".
The definition of the word neuron is "a specialized cell transmitting nerve impulses; a nerve cell."
that its larger than the small opitic nerve
It means to feel grief.
Sciatic is not a word--but sciatic nerve is. The sciatic nerve is a large nerve that starts in the lower back and runs through the buttock and down the lower limb. It is the longest and widest single nerve in the body. Hope this helped!
It means "you have a lot of nerve".
neuron is the nerve cel in your brain
A local nerve conduction lesion or block