Syncerebrum

As Syncerebrum the during which phylogeny of arthropods ( Arthropod developed) supraesophageal ganglion designated. The upper pharyngeal ganglion is created by fusing individual head ganglia to form a complex brain . In the primary Syncerebrum are protocerebrum and Deutocerebrum fused. In the secondary syncerebrum, protocerebrum, deutocerebrum and tritocerebrum are fused.

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• Lexicon of Neuroscience , Heidelberg: Spectrum Academic Publishing House 2000/01