Examlex
A major nerve of the lumbar plexus is ________.
Acetylcholine
A neurotransmitter in the central and peripheral nervous systems, playing key roles in muscle activation, memory formation, and many other physiological functions.
Neurotransmitter
Chemical messengers that transmit signals across a chemical synapse from one neuron to another target neuron, muscle cell, or gland cell.
Acetylcholinesterase
An enzyme that breaks down the neurotransmitter acetylcholine, playing a critical role in muscle function and neural transmission.
Synaptic Cleft
The gap between neurons where neurotransmitters are released and received, facilitating neuronal communication.
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