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Supraesophageal ganglion



The supraesophageal ganglion (insect brain) is the first part of the insect central nervous system. It receives and processes information from the first, second, and third metameres. The supraesophageal ganglion lies dorsal to the esophagus and consists of three parts: the protocerebrum (with eyes), the deutocerebrum (with antennae), and the tritocerebrum. The lobes of the tritocerebrum split to circumvent the esophagus and begin the subesophageal ganglion. The subesophageal ganglion continues the nervous system and lies ventral to the esophagus. Finally, the segmental ganglia are found in each body segment as a fused ganglion and they provide the segments with some autonomous control.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Supraesophageal_ganglion". A list of authors is available in Wikipedia.
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