A synapse is<unk>  if it uses acetylcholine as its neurotransmitter.<unk>  means "related to the neurotransmitter acetylcholine," and is typically used in a neurological perspective.  The parasympathetic nervous system is entirely<unk> . Neuromuscular junctions, preganglionic neurons of the sympathetic nervous system, the basal forebrain, and brain stem complexes are also<unk> .
A substance is<unk>  if it is capable of producing, altering, or releasing acetylcholine ("indirect-acting") or mimicking its behaviour at one or more of the body's acetylcholine receptor types ("direct-acting").
Cholinergic
Nootropic
Neurolemma
Sympatholytic
Heroic
Anticholinergic
Apocrine
Amyloid