Examlex
Give meanings for the following prefixes.
-contra-: __________
Raphe Nuclei
A group of nuclei found in the brain stem involved in the regulation of sleep and mood, among other functions.
Neurotransmitters
Neurotransmitters are chemical messengers that transmit signals across a chemical synapse, from one neuron to another target neuron, muscle cell, or gland cell.
Serotonin
A neurotransmitter in the brain involved in regulating mood, appetite, and sleep among other functions.
Acetylcholine
A neurotransmitter involved in many functions including muscle movement, heart rate, memory, and also acts as a neuromodulator in the central and peripheral nervous systems.
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Q24: Adjuvant: _
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