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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 341epipodial plate (ARTHRO: Crustacea) In Ostracoda, a setaceousrespiratory plate on the maxilla or the fifth limb.epipod(ite) n. [Gr. epi, upon; pous, foot] (ARTHRO: Crustacea)A laterally directed exite <strong>of</strong> the protopod, usually branchialin function; a laterally directed ramus <strong>of</strong> the coxa; gillseparator. see exite.epipodium n.; pl. -dia [Gr. epi, upon; pous, foot] (MOLL: Gastropoda)Lateral grooves between foot and mantle, withtentacles and integumentary sensory organs, usually flat.epiproct n. [Gr. epi, upon; proktos, anus] (ARTHRO: Insecta) Aprocess or appendage situated above the anus; the dorsalpart <strong>of</strong> the eleventh abdominal segment. see suranalplate.epiprosoma n. [Gr. epi, upon; pro, before; soma, body] (AR-THRO: Chelicerata) In Acari, a body division consisting <strong>of</strong>gnathosoma and aspidosoma.epiptygma n.; pl. -mata [Gr. epiptygma, overflap] (NEMATA)Anterior and posterior cuticular flaps associated with thevulval opening <strong>of</strong> some female nematodes. see hypoptygma.epipygium n. [Gr. epi, upon; pyge, rump] (ARTHRO: Insecta) Adorsal arch in the last abdominal segment.epirrhysa n.pl., sing. -sum [Gr. epirrheein, to flow into] (PO-RIF) The inhalent canals. see prosochete, aporrhysa.episematic a. [Gr. epi, upon; sema, sign] A term used to designatedistinctive markings which serve as a recognitionsignal. see pseudepisematic color; sematic.episite n. [Gr. epi, upon; sitos, food] A predator able to completeits life cycle by devouring a succession <strong>of</strong> victims.epistasis n. [Gr. epi, upon; stasis, a standing] When one geneinterferes with the phenotypic expression <strong>of</strong> another nonallelicgene (or genes), producing a phenotype determinedby the former and not by the latter when both genes occurtogether in the genotype.episternal lateral see pre-episternumepisternal paraptera (ARTHRO: Insecta) One or two anteriorbasalar sclerites in front <strong>of</strong> the pleural process in the mem-

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