Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
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
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
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
tritocerebrum — See: metacerebrum [Martin, 2005]. See: metacerebrum [McLaughlin, 1980]. Third ganglion of the crustacean brain, a postoral ganglion that probably represents the first postoral somite and that forms a pair of circumenteric connectives that extend… … 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
circumoral connective — (Order Stomatopoda): One of two long strands of nerve tissue surrounding anterior section of digestive tract and joining supraesophageal ganglion to postoral ganglion. (Syn. esophageal connective) [Stachowitsch, 1992] … Crustacea glossary
crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… … Universalium
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
