circumesophageal ganglion
(Order Diplostraca):
Brain [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • circumesophageal connective — (Order Decapoda): One of two strands of nerve tissue surrounding esophagus and connecting dorsal supraesophageal ganglia with posterior subesophageal ganglia. May bear ganglia (paraesophageal ganglia). (Syn. esophageal connective) [Stachowitsch,… …   Crustacea glossary

  • circumesophageal nerve ring — (Class Ostracoda): Well developed ring of nerve tissue surrounding esophagus; consists anteriorly of supraesophageal ganglion, laterally of circumesophageal connective, and posteriorly of complex formed by subesophageal ganglion and more or less… …   Crustacea glossary

  • 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

  • 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

  • supra-esophageal ganglion — Nerve plexus above esophagus in head of malacostracans [Moore and McCormick, 1969]. Nerve plexus above esophagus, equivalent to brain [McLaughlin, 1980]. (Order Cladocera): Main part of brain above (in front of) esophagus. Consists of… …   Crustacea glossary

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

  • ventral nerve cord — Ganglia or connectives in somites joined by single or double tract of nerve fibers running longitudinally beneath alimentary canal [McLaughlin, 1980]. (Order Cladocera): Pair of widely separated, longitudinal nerve cords extending into trunk from …   Crustacea glossary

  • esophageal connective — (Order Cladocera): One of two strands of nerve tissue surrounding esophagus and connecting posterior part of brain with ventral nerve cord [Stachowitsch, 1992]. (Order Anostraca): One of two strands of nerve tissue extending around esophagus and… …   Crustacea glossary

  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

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