Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 47involving the reduction of the chromosome number.ameiotic a. [Gr. a, without; meiosis, to make smaller] Pertainingto maturation division of a gamete without the diploidnumber of chromosomes being reduced to the haploid.ameiotic parthenogenesis Parthenogenesis without meiosis.amensalism n. [Gr. a, without; L. mensa, table] A form ofsymbiotic relationship in which one of the organisms is inhibitedand the other is not.ametabolic a. [Gr. a, without; metabole, change] Withoutmetamorphosis; ametamorphic.ametabolous metamorphosis (ARTHRO: Insecta) Insectswhose eggs hatch into nymphs closely resembling the adultform, differing only in size and life stages; without metamorphosis.ametamorphic a. [Gr. a, without; meta, after; morphe, form]Having no metamorphosis.amethystine a. [Gr. amethystos, not drunk] Pertaining to, orresembling amethyst, a bluish-violet color.amicron n. [Gr. a, without; mikros, small] One of the smallestparticles detectable with the electron microscope; smallerthan one (1) nm and can only be seen as a diffuse illuminationin the track of the beam.amicroscopic a. [Gr. a, without; mikros, small; skopein, toview] Too small to be seen with either the light microscopeor the electronmicroscope; less than about one (1) nanometerin diameter.amictic egg Eggs that do not undergo a meiotic division andare therefore diploid producing females parthenogenetically.see mictic egg.aminosugar n. [prefix names of chemical compounds containingone of the amino groups; Gr. sakcharon, sugar] Amonosaccharide with an amino or substituted amino groupin place of a nonglycosidic hydroxyl group.amitosis n. [Gr. a, without; mitos, thread] Cellular divisionwithout the appearance of chromosomes or any mitotic figure.amitotic a. see mitosis.amixia, amixis n. [Gr. a, without; mixis, a mixing] Absence of