supraesophageal ganglion

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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… …   Wikipedia

• supraesophageal ganglion — (Order Amphipoda): Concentration of nerve tissue above (anterior to) esophagus in head. Connected to subesophageal ganglion by pair of esophageal connectives. (Syn. brain) [Stachowitsch, 1992]. (Order Isopoda): Concentration of nerve tissue above …   Crustacea glossary

• supraesophageal ganglion — (ARTHROPODA) The brain; the nerve mass above the esophagus …   Dictionary of invertebrate zoology

• supraesophageal ganglion — noun : the main mass of nervous tissue of the insect and some other invertebrates located in the head and dorsal to the esophagus : brain 1b, cerebrum 2 …   Useful english dictionary

• subesophageal ganglion — Anterior ganglion of the ventral nerve cord, located beneath (posterior to) the esophagus and connected dorsally to the tritocerebrum. (Syn. subenteric ganglion) [Brusca and Brusca, 2002]. Nerve plexus below esophagus in head of malacostracans… …   Crustacea glossary

• Subesophageal ganglion — Insects = The subesophageal ganglion of insects is composed of three pairs of fused ganglia. It controls the mouthparts, the salivary glands and certain muscles.The subesophageal ganglion sits beneath the esophagus. It is connected to the… …   Wikipedia

• postoral ganglion — (Order Stomatopoda): Concentration of nerve tissue posterior to mouth; consists of fused ganglia of eight somites (mandibles to fifth thoracomeres). Joined to supraesophageal ganglion by pair of long circumoral connectives and continues… …   Crustacea glossary

• cerebral ganglion — (Subclass Cirripedia): Supraesophageal ganglion [Stachowitsch, 1992] …   Crustacea glossary

• paraesophageal ganglion — (Order Decapoda): Swelling of each circumesophageal connective between supraesophageal and subesophageal ganglia [Stachowitsch, 1992] …   Crustacea glossary

• protocerebrum — Ganglion of first (preantennulary) somite [Moore and McCormick, 1969]. Ganglion of preantennulary region [McLaughlin, 1980]. One of two anterior dorsal supraesophageal ganglia in the crustacean brain; receives the optic nerves [Brusca and Brusca …   Crustacea glossary

• brain — (Order Notostraca): Main concentration of nreve tissue in head; consists of supraesophagael ganglion (protocerebrum and deutocerebrum) and, posterior to mouth, tritocerebrum (ganglion of antennal somite). Continues posteriorly as ladder like… …   Crustacea glossary