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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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434Maggenti and Gardnerheteroxenous a. [Gr. heteros, different; xenos, host] Havingmore than one host during a parasite's life cycle.heterozooid n. [Gr. heteros, different; zoon, animal] (BRYO:Gymnolaemata) A specialized zooid that forms stolons, attachmentdiscs, rootlike structures and other such vegetativeparts <strong>of</strong> the colony; a bryozoan, such as an aviculariumor a rhizoid.heterozygosity n. [Gr. heteros, different; zygon, yolk] Condition<strong>of</strong> bearing differing genetic alleles at the same loci <strong>of</strong>the two parental chromosomes. see homozygosity.heterozygous a. [Gr. heteros, different; zygon, yolk] Pertainingto an individual with different genetic alleles at thecorresponding loci <strong>of</strong> the two parental chromosomes. heterozygoten. see homozygous.hexacanth a. [Gr. hex, six; akantha, thorn] (PLATY: Cestoda) Asix-hooked mature embryo, or larva, hatching from theegg; an onchosphere.hexachaetous a. [Gr. hex, six; chaite, hair] (ARTHRO: Insecta)In Diptera, describing the bundle <strong>of</strong> 6 needlelike mouthparts(stylets).hexactinal a. [Gr. hex, six; aktis, ray] (PORIF) Referring to a 6rayed spicule occurring in only the class Hexactinellida.hexactine n.hexagonal a. [Gr. hex, six; gonia, corner, angle] Having 6sides and 6 angles.hexamerous a. [Gr. hex, six; meros, part] Having 6 radiallyarranged parts or multiples <strong>of</strong> 6.hexanephric a. [Gr. hex, six; nephros, kidney] Having 6 kidneys,or structures utilized as kidneys.hexapod a. [Gr. hex, six; pous, foot] 1. Having 3 pairs <strong>of</strong> legs.2. (ARTHRO: Chelicerata) In larval mites, having or using 3pairs <strong>of</strong> legs. hexapody n. see octopod.Hexapoda see Insectahexaradiate a. [Gr. hex, six; L. radius, rod] Projecting outwardin 6 directions.hexaster n. [Gr. hex, six; aster, star] (PORIF) A type <strong>of</strong>hexatine with branching rays producing star-shaped fig-

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