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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> 333entosaccal cavity (BRYO) That part <strong>of</strong> the body cavity containingthe digestive and reproductive systems.entosternite see endosterniteentosternum n.; pl. -sterna [Gr. entos, within; sternon,chest] (ARTHRO) The internal processes or system <strong>of</strong> processes<strong>of</strong> the sternum.entotergum n. [Gr. entos, within; L. tergum, back] (ARTHRO:Insecta) A large V-shaped ridge <strong>of</strong> the thorax on the undersurface<strong>of</strong> the notum.entothorax n. [Gr. entos, within; thorax, chest] (ARTHRO: Insecta)The apodemes or processes that extend inwardlyfrom the sternal sclerites; an apophysis. see endothorax.entotrophous see entognathous conditionEntotropha see apteraentozoa n.pl., sing. entozoon [Gr. entos, within; zoon, animal]The internal parasites collectively. entozoal a., entozoana. & n.entozoic a. [Gr. entos, within; zoon, animal] Living within anotheranimal; an internal parasite. see endozoic, epizoic.enucleate v. [L. ex, out <strong>of</strong>; nucleus, kernel] 1. To remove anentire organ, etc. 2. To destroy or remove the nucleus <strong>of</strong> acell.envelope n. [OF. enveloper, wrap up] (ARTHRO: Insecta) Asheath surrounding the nest <strong>of</strong> a social wasp.environment n. [F. environ, about] The totality <strong>of</strong> physical,chemical and biotic conditions surrounding an entire organism.enzootic disease A disease which is constantly present in apopulation <strong>of</strong> lower animals, although usually at a lowmaintenance level.enzyme n. [Gr. en, in; zyme, yeast] An organic catalyst producedby a living organism.Eogaea n. [Gr. eos, dawn; gaia, earth] Seldom used zoogeographicterm; including Africa, South America andAustralia. see Caenogaea.eoplasmatocyte n. [Gr. eos, dawn; plasma, formed or

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