The sympathetic nervous system (SNS) is part of the autonomic ... a chemical messenger that binds and activates nicotinic acetylcholine receptors on postganglionic neurons. In response to this ...

A novel strategy involving blocking peripheral opioid receptors may reverse opioid overdose while avoiding withdrawal and ...

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 ...

There are two main endocannabinoid receptors: CB1 receptors, which are mostly found in the central nervous system CB2 receptors, which are mostly found in your peripheral nervous system ...

while the sympathetic nervous system uses both acetylcholine and norepinephrine to transfer signals to receptors. According to StatPearls, the parasympathetic nervous system is smaller than the ...

Researchers at Rice University have revealed a previously unknown function of opioid receptors in the development of the enteric nervous system (ENS), often referred to as the "brain in the gut.

the idea that early nervous systems evolved as networks of cells connected through chemical signals that would diffuse across an animal and bind to specific protein receptors. The scientists then ...