ends of axon which stimulate electrical activity
first neuron in signal path which releases neurotransmitter. come in contact with dendrite, soma, or axon
second neuron which responds to neurotransmitter
gap between neurons
how neurons communicate; by releasing chemicals
exist in the cardiac and smooth muscle. has gap junctions which join adjacent cells. advantage is quick transmission. disadvantage cant turn off
has synaptic vesicles which contains neurotransmitters
acetylocholine, amino acid neurotransmitters (GABA), monoamines (epinephrine, norepinephrine, dopamine) and neuropeptides (chains of 2 to 40 amino acids, gut brain peptides cause food cravings)
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