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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> 543megalopa stage (ARTHRO: Crustacea) 1. Larvae <strong>of</strong> Malacostracawith functional pleopods; also referred to as glaucothoe.2. First postlarval stage in development <strong>of</strong> Eucarida,not present in other crustaceans. 3. Originally appliedto Brachyura larvae with large stalked eyes and functionalpleopods.megalopore, megapore n. [Gr. megas, large; poros, pore](MOLL: Polyplacophora) Large pore in the dorsal plate; associatedwith aesthete.megalops see megalopa stagemegamere see macromeremegameric a. [Gr. megas, large; meros, part] With relativelylarge parts; autosomes with large heterochromatic segments.meganephridia n.pl.; sing. -ium [Gr. megas, large; dim.nephros, kidney] (ANN: Oligochaeta) A pair <strong>of</strong> largenephridia in each segment <strong>of</strong> the body except, for first andlast segments; holonephridia; holoic; macroic. seenephridium, micronephridia.megaplankton see macroplanktonmegasclere n. [Gr. megas, large; skleros, hard] (PORIF) Alarge structural spicule. see microsclere.megascolecin n. [Gr. megas, large; skolex, worm] (ANN: Oligochaeta)The single pair <strong>of</strong> prostates, tubular or racemose,opened to the exterior, along side <strong>of</strong> or togetherwith the sperm ducts.megascopic see macroscopicmegetic a. [Gr. megas, large] Pertaining to size variations inpolymorphic forms. see epimegetic, eumegetic, hypomegetic.Mehlis' glands (PLATY: Trematoda) Unicellular mucous andserous glands surrounding the ootype in the reproductivesystem.meiocyte n. [Gr. meion, smaller; kytos, container] Primary oocytesand spermatocytes.mei<strong>of</strong>auna n. [Gr. meion, smaller; L. Faunus, diety <strong>of</strong> herdsand fields] Microscopic and small macroscopic fauna on the

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