Examlex
The connective tissue sheath around a group of neuronal fibers (a fascicle) is called the
Neurotransmitters
Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.
Inhibitory
Pertaining to a neurotransmitter, neuron, or process that decreases the likelihood of a neuron firing and transmitting its message to other neurons.
Hormones
Chemical messengers produced by glands in the body that regulate physiological processes and behavior.
Endorphins
Natural, pain-relieving chemicals produced by the body that promote a sense of well-being and can reduce pain.
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