and peripheral nervous system (PNS). ACh is produced by the enzyme choline acetyltransferase and its actions are mediated through two types of acetylcholine receptors (AChRs) — the G protein ...

Other scientists have only recently identified hot and cold nerve cell receptors in the peripheral nervous system located just beneath the skin. This is the system that tells the brain to pull the ...

There are three main types of neurone ... Information from receptors passes along neurones, as electrical impulses to co-ordinators such as the central nervous system or CNS.

The nervous system consists of the ... A complete inventory of the Drosophila visual system classifies about 53,000 neurons into 732 types. The shapes and connections of all the visual neurons ...