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| Description: Autonomic signals travel to organs by a two-neuron path. The first neuron has its cell body in the brain or spinal region (indicated in red in the two body sketches). This neuron synapses on a second neuron at a ganglion. Sympathetic ganglia are close to the spinal cord. Parasympathetic ganglia are in or near the organs they affect. Axons of the second neuron in the pathway synapse with the organ. Picture Stats: Views: 504 Filesize: 320.44kB Height: 846 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47722 |