BioScience Dictionary

 
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Found Neurotransmitters 1 time.

Displaying results 1 to 10.

1. Neurotransmitters
Chemicals released from the tip of an axon into the synaptic cleft when a nerve impulse arrives; may stimulate or inhibit the next neuron. The chemical that crosses the synaptic cleft and causes the transmission of the nerve message in an adjacent neuron or the stimulation of an effector cell (muscle or gland).