A nerve consists of a bundle of nerve fibers. Nerves transmit messages between the brainand spinal cord and the rest of the body. Schwannomas are most often noncancerous nerve tumors, while ...

Glaucoma is a group of eye conditions that damage the optic nerve, a bundle of nerve fibers that sends visual messages to the brain, leading to vision loss or blindness. Glaucoma usually happens ...

But some nerve fibers called C nociceptors send a slower ... That's because when you stub your toe, you're actually hitting a bundle of special nerve endings called nociceptors.