Examlex
What is the term for a substance that is being identified or measured in a laboratory test?
Neurotransmitter Keys
Molecules that transmit signals across the synaptic gap between neurons in the nervous system, functioning like keys to activate or inhibit neuronal processes.
Locked Door
A door that is secured by a lock, requiring a key, combination, or special mechanism to open.
Receptors
Specialized cells or proteins in the body that respond to specific substances like neurotransmitters or hormones.
Dendrites
The branched extensions of a neuron that receive impulses from other neurons and convey them toward the cell body.
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