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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> 319rotized aedeagus. 2. In Diptera, a syringe-like, stronglymuscledstructure, <strong>of</strong> the ejaculatory duct.ejaculatory duct The terminal portion <strong>of</strong> the male sperm duct.elabrate a. [L. ex, out <strong>of</strong>; labrum, lip] Without a labrum.elaphocaris larva (ARTHRO: Crustacea) A third protozoealstage or postnaupliar stage, leading to the acathosoma(mysis) stage.elastes n.pl. [Gr. elastikos, rebounding] (ARTHRO: Insecta) Theabdominal flexion organs <strong>of</strong> the bristletail apterygote insects.elastic a. [Gr. elastikos, rebounding] Capable <strong>of</strong> resuming theoriginal shape; flexible.elastic membrane (MOLL) A membrane between the radularmembrane and the pharyngeal epithelium, secreted by thelatter and found in the part <strong>of</strong> the radula which is in use.elate a. [L. elatus, high] Elevated; lifted up.elater n. [Gr. elater, driver] (ARTHRO: Insecta) In Collembola,the furcula or springing organ.elateriform larva (ARTHRO: Insecta) A slender, heavily sclerotizedlarva with short thoracic legs, and with few bodyhairs; resembles a wireworm.Elatobranchiata see BivalviaElatocephala see Bivalviaelattostase n. [Gr. elatton, smaller; stasis, position] (ARTHRO:Chelicerata) A rare stase <strong>of</strong> prelarva or larva in which themouthparts are subject to regression in that though themouthparts are intact, they are unable to function, or thelack <strong>of</strong> chelicerae and palps, closure <strong>of</strong> the mouth, and regression<strong>of</strong> the pharynx. elattostasic a. see hypopus.elbowed antenna (ARTHRO: Insecta) An antenna with the firstsegment elongated and the remaining segments coming <strong>of</strong>fthe first segment in an obtuse angle; a geniculate antenna.electrotropism, electropism n. [Gr. elektron, amber; trope,turn] Movement <strong>of</strong> an organism as determined by the direction<strong>of</strong> an external electric current; galvanotropism.eleocyte, elaeocyte n. [Gr. elaion, any oil; kytos, container]

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