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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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206Maggenti and Gardnertening to rocks, coral or s<strong>of</strong>t substrata. 6. (MOLL: Bivalvia)A bundle <strong>of</strong> fused cilia that filters particles from the waterentering the gill. 7. (NEMATA) Elaborate cephalic appendagessuch as those found in Chambersiella. 8. (PLATY) Thepenis or copulatory organ <strong>of</strong> trematodes and cestodes.cirrus acuum (ARTHRO: Insecta) A rounded sclerotized form <strong>of</strong>cornuti <strong>of</strong> male Lepidoptera, <strong>of</strong>ten bearing dense spinehairs.cirrus pouch or sac Pouch or sac containing the copulatoryorgan (cirrus) <strong>of</strong> various invertebrates.cisternae n.pl. [L. cisterna, underground reservoir for water]Any <strong>of</strong> various flattened, membranous, fluid-filled vesicles.cistron n. [Gr. kiste, box] The functional gene; the section <strong>of</strong> aDNA molecule that specifies the formation <strong>of</strong> a particularpolypeptide chain.citrine a. [L. citrus, citron-tree] Lemon-yellow in color.citron shaped Having the form <strong>of</strong> a large lemon.cladi, clads n.pl. [Gr. klados, branch] (PORIF) The threeshorter rays <strong>of</strong> a tetraxon spicule, that may be forked orbranched at their free ends.cladism n. [Gr. klados, branch] A method by which organismsare ordered and ranked entirely on the basis <strong>of</strong> the mostrecent branching point <strong>of</strong> the inferred phylogeny. cladistica.cladocerous a. [Gr. klados, branch; keras, horn] Havingbranched horns or antennae.cladogenesis n. [Gr. klados, branch; genesis, beginning]Branching evolution; the splitting <strong>of</strong> species, i.e., speciation.see anagenesis.cladogram n. [Gr. klados, branch; gramma, picture] A dendrogrambased on the principles <strong>of</strong> cladism; a strictly genealogicaldendrogram, ignoring rates <strong>of</strong> evolutionary divergence.cladome n. [Gr. klados, branch] (PORIF) The three short raysor cladi <strong>of</strong> a tetraxon spicule.cladotylote a. [Gr. klados, branch; tylos, knob] (PORIF) In diactinalmonaxons, a tylote having somewhat recurved clads

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