Examlex
Which of the following is a true statement?
AChE
Acetylcholinesterase, an enzyme that breaks down acetylcholine, a neurotransmitter, in the synapse, terminating the signal between nerves.
Relaxation Phase
The phase in the cardiac cycle or muscle contraction where the muscle returns to its initial state of relaxation.
Sarcoplasmic Reticulum
A network of tubules and sacs in muscle cells that store and regulate calcium ions, crucial for muscle contraction.
Depolarization
A reduction in the difference in voltage across a cell's plasma membrane, which is fundamental in the propagation of nerve impulses.
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