Parasympathetic ganglia of the head
Parasympathetic ganglia of the head (shown as red circles) help supply all parasympathetic innervation to the head and neck.
This diagram shows the parasympathetic ganglia of the head (shown as red circles located between the organs and the nerves). These ganglia help supply all parasympathetic innervation to the head and neck.
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"Parasympathetic head ganglia."
http://en.wikipedia.org/wiki/File:Parasympathetic_head_ganglia.jpg
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