Acetylcholine

Neurotransmitter mediating excitatory and inhibitory signaling.

Key Functions:

• Facilitates synaptic transmission in neural and muscular systems.
• Regulates attention and muscle contraction.

Interacting Systems & Components:

• Cholinergic Receptor (target)
• Nicotinic Acetylcholine Receptor (specific target)
• Nervous System (neural signaling)