Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

564Maggenti and Gardnersecta) In Hemiptera, spinose or triangular process of themetasternum.Metazoa, metazoans n.; n.pl. [Gr. meta, after; zoon, animal]1. A small phylum of endoparasitic, ciliated, multicellularorganisms composed of two layers, lacking skeletal, muscular,nervous, digestive, respiratory or excretory elements.2. Often regarded as degenerate flatworms appendedto phylum Platyhelminthes. metazoic a.metazoea n. [Gr. meta, after; zoe, life] (ARTHRO: Crustacea) Alate zoeal stage in Anomura and Brachyura with simpleuniramous limbs on posterior thoracomeres, budding pleopods1-5 at the same time, and having stalked eyes.metazona n. [Gr. meta, after; zone, belt] (ARTHRO: Insecta)The posterior part of the pronotum. see prozona.metazonite n. [Gr. meta, after; zone, belt] (ARTHRO: Diplopoda)Theposterior portion of a diplosomite, divided by atransverse groove. see prozonite.metecdysis n. [Gr. meta, after; ekdysis, molt] (ARTHRO) Theperiod following a molt before the new cuticle hardens, especiallyin Decapoda (Crustacea).metelattosis n. [Gr. meta, after; elatton, smaller] (ARTHRO:Chelicerata) Regression of postembryonic development,initiated after the beginning stasis.metenchium n. [L. meta, conical column; Gr. enchos, spear](NEMATA: Secernentea) Conus of the stylet in plant parasitesin the order Tylenchida. see telenchium.metenteron n. [Gr. meta, after; enteron, intestine] (CNID) Theradial digestive chamber. see mesenteron.metepimeron n.; pl. -mera [Gr. meta, after; epi, on; meros,part] (ARTHRO: Insecta) The epimeron of the metathorax.metepisternum n.; pl. -sterna [Gr. meta, after; epi, on; sternon,breast] (ARTHRO: Insecta) 1. The episternum of themetathorax. 2. In Culicidae, behind and below themetathoracic spiracle.meter n. [Gr. metron, a measure] A measure of length in themetric system; 39.37 inches. see centimeter, millimeter.metinfraepisternum n. [Gr. meta, after; L. infra, underneath;