We have the 9-letter answer for Key neurotransmitter crossword clue, last seen in the 7 Little Words October 26, 2025 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.
Key neurotransmitter 7 Little Words Answer is…
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Clue & Answer Definitions
- NEUROTRANSMITTER (noun)
- a neurochemical that transmits nerve impulses across a synapse
- SEROTONIN (noun)
- a neurotransmitter involved in e.g. sleep and depression and memory
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