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Hormone chart endocrine system11/4/2023 ![]() The target cell responds within milliseconds of receiving the chemical “message” this response then ceases very quickly once the neural signaling ends. ![]() Once the neurotransmitters interact (bind) with receptors on the receiving (post-synaptic) cell, the receptor stimulation is transduced into a response such as continued electrical signaling or modification of cellular response. When an electrical signal in the form of an action potential arrives at the synaptic terminal, they diffuse across the synaptic cleft (the gap between a sending neuron and a receiving neuron or muscle cell). Neurotransmitters act locally and rapidly. The nervous system uses two types of intercellular communication-electrical and chemical signaling-either by the direct action of an electrical potential, or in the latter case, through the action of chemical neurotransmitters such as serotonin or norepinephrine.
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