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Blood-Brain Barrier
Specialized membranes that surround the blood vessels within the brain and filter harmful chemicals out of the brain’s blood supply.
Defense System
Mechanisms or strategies employed by individuals or systems to protect against threats, criticism, or psychological harm, often unconsciously in the form of psychological defenses.
Hyperpolarized
describes a state where a neuron's membrane potential becomes more negative than its resting potential, making it less likely to fire an action potential.
Transmitter Substances
Chemicals released by nerve cells to transmit signals across a synapse to another nerve, muscle, or gland cell.
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