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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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58Maggenti and Gardneranepisternum n. [Gr. ana, up; epi, upon; sternon, breastbone](ARTHRO: Insecta) The upper division <strong>of</strong> the episternum.see infraepisternum.aner n. [Gr. aner, male] (ARTHRO: Insecta) Male, especially inFormicidae.anestrus, anoestrus n. [Gr. an, without; oistros, desire] Aperiod <strong>of</strong> sexual inactivity; a non-breeding period.aneucentric translocation One that involves the centromere<strong>of</strong> a chromosome; one daughter chromosome is acentricand the other dicentric.aneuploid a. [Gr. an, without; eu, well; aploos, onefold] Refersto cells or individuals having one, two or a few wholechromosomes, more or less than the basic number <strong>of</strong> thespecies in question. see heteroploid, euploid.aneuronic a. [Gr. an, without; neuron, nerve] Absence <strong>of</strong> innervation.aneurose a. [Gr. an, without; neuron, nerve] 1. Withoutnerves. 2. (ARTHRO: Insecta) Term used for a wing withveins near the costa only.anfractuose a. [L. anfractus, circuitous] Wavy, winding, turnings,sinuous.angiogenesis n. [Gr. angeion, vessel; genesis, beginning] Thedevelopment <strong>of</strong> blood vessels.angiostomatous a. [Gr. angeion, vessel; stoma, mouth] Havinga non-distensible mouth.angstrom n. [after A. J. Angstrom] One hundred-millionth <strong>of</strong> acentimeter, or one-tenth <strong>of</strong> a nanometer (nm); a unit usedin measuring the length <strong>of</strong> light waves.angulate a. [L. angulare, to make angular] Having angles orsharp corners.angulation n. [L. angulus, angular] An angular formation oredge where two surfaces meet at an angle.anguli frontales (ARTHRO: Insecta) In immatures, the anteriorprojections from the frons situated laterad to a medianprojection, the nasale; may or may not be symmetrical.angustate antenna (ARTHRO: Insecta) An antenna in which

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