hyponeural
adj. [Gr. hypo, under; neuron, nerve]
(ECHINODERMATA)
Part of the nervous system deeper and more weakly developed than the ectoneural system.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

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  • echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …   Universalium

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