Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

544Maggenti and Gardnersea bottom.meiolecithal a. [Gr. meion, smaller; lekithos, egg yolk] Havinglittle yolk.meiomery n. [Gr. meion, smaller; meros, part] The conditionof possessing fewer than the normal number of parts.meiosis n.; pl. meioses [Gr. meiosis, to make smaller] Twosuccessive cell divisions in the developing germ cells characterizedby the pairing and segregation of homologouschromosomes, resulting in reduction from a diploid numberto a haploid one. meiotic a.meiotic drive A meiotic mechanism of cell division resulting intwo kinds of gametes produced by a heterozygote with unequalrecovery.meiotrichy n. [Gr. meion, smaller; thrix, hair] Loss of setae inontogenetic development or of homologous setae in naturalgroups.melania n. [Gr. melas, black] Blackness.melanin n. [Gr. melas, black] A term for a group of chemicallyill-defined pigments, often found associated with protein,produced by insects and marine animals responsible forcolors from brown to black. melanoid a.melanism n. [Gr. melas, black; ismos, denoting condition] 1.An excessive darkening of color owing to increasedamounts of black pigment. 2. A certain percentage of individualsin a population that give rise to polymorphism. seeindustrial melanism, albinism.melanoid a. [Gr. melas, black; eidos, like] Looking black ordark.meliphagous a. [Gr. meli, honey; phagein, to eat] Honeyeating;melivourous.melittology n. [Gr. melitta, honeybee; logus, discourse] Thestudy of bees.melittophily n. [Gr. melitta, honeybee; philos, love] (ARTHRO:Insecta) 1. A symbiont of social bees. 2. Any organism thatmust spend a portion of its life cycle in a bee colony.melivorous see meliphagous