Examlex
Explain why a severe heart attack (myocardial infarction)has left Mr.Rodriguez's heart muscle weakened.
Synaptic Vesicles
Membrane-bound sacs within neurons that store neurotransmitters and release them into the synaptic cleft during neuronal communication.
Neurotransmitters
Chemicals found within the brain that transmit messages between neurons, playing a crucial role in regulating bodily and mental functions.
Agonist
A chemical or drug that binds to receptors in the brain and causes a reaction typically producing a biological response.
Antagonist
A substance that blocks or dampens a biological response by binding to and blocking a receptor rather than activating it.
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