protocerebrum
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protocerebrum — n.; pl. bra [Gr. protos, first; L. cerebrum, brain] (ARTHROPODA) The anterior, (in hypognathous insects dorsal), most complex part of an arthropod brain consisting of three pair of optic centers and other neuropiles functioning in intergrating… … Dictionary of invertebrate zoology
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
protocerebrum — pro·to·cerebrum … English syllables
protocerebrum — “+ noun Etymology: New Latin, from prot + cerebrum 1. : the first segment of the brain in an insect innervating the compound eyes 2. : the ganglion in a lower crustacean giving rise to the optic nerve … Useful english dictionary
Arthropod head problem — The arthropod head problem is a long standing zoological dispute concerning the segmental composition of the heads of the various arthropod groups, and how they are evolutionarily related to each other. While the dispute has historically centered … Wikipedia
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
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
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
Sea spider — Taxobox name = Sea spiders image width = 250px regnum = Animalia phylum = Arthropoda subphylum = Chelicerata classis = Pycnogonida ordo = Pantopoda classis authority = Latreille, 1810 subdivision ranks = Families subdivision = Ammotheidae… … Wikipedia
Syncerebrum — Als Syncerebrum wird das während der Phylogenie der Arthropoden (Gliederfüßer) entwickelte Oberschlundganglion bezeichnet. Das Oberschlundganglion entsteht durch Verschmelzung einzelner Kopfganglien zu einem komplexen Gehirn. Im primären… … Deutsch Wikipedia