subesophageal mass
(Order Tanaidacea):
Concentration of nerve tissue below (posterior to) esophagus. Connected to supraesophageal ganglion by pair of esopha-geal connectives. Consists of ganglia of mandibles, maxillules, maxillae, maxillipeds, and chelipeds. Continues posteriorly as ventral nerve cord [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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  • 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

  • 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

  • ventral nerve chain — Ganglia or connectives on somites joined by single or double nerve cord running longitudinally beneath alimentary canal [Moore and McCormick, 1969]. See: ventral nerve cord [McLaughlin, 1980]. (Order Tanaidacea): Longitudinal nerve cord extending …   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

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