1.   At intervals along its length groups of nerve fibres emerge from the spinal column to connect with the peripheral nervous system.

2.   Capsaicin destroys small sensory nerve fibres if it is injected under the skin of newborn rats.

3.   In flatworms all that exists is a simple network of nerve fibres.

4.   In nervous communication, messages are carried as electrical impulses in nerve fibres.

5.   The first component in this classical stimulus-response link is specific injury-detecting nerve fibres, the nociceptors.

6.   The function of nerve fibres is to transmit coded information from one place to the other.

7.   This is not only simplistic but it is even ignorant of pain-provoking peripheral nerve fibres now known to exist in man.

8.   ...the nerve fibres.

9.   ...a dense network of nerve fibres that interconnects neurons in the brain.