NEUROTRANSMITTERS
\njˈuːɹətɹˌansmɪtəz], \njˈuːɹətɹˌansmɪtəz], \n_j_ˈuː_ɹ_ə_t_ɹ_ˌa_n_s_m_ɪ_t_ə_z]\
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Endogenous signaling molecules secreted by neurons that alter the behavior of neurons or effector cells. Neurotransmitter is used here in its most general sense, including not only messengers that act directly to regulate ion channels, but also those that act through second messenger systems, and those that act at a distance from their site of release. Included are neuromodulators, neuroregulators, neuromediators, neurohormones, and neurohumors, whether or not acting at synapses.
By DataStellar Co., Ltd
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