Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

526Maggenti and Gardnerlyre n. [L. lyra, lyre] (ARTHRO: Insecta) In caterpillars, the borderor upper wall of the spinning tube.lyre-shaped Like a string musical instrument with two curvedarms and strings attached to a yolk between the curvedarms.lyrifissure n. [L. lyra, lyre; fissura, crack] (ARTHRO: Chelicerata)Small fissures or pores in the cuticle of the body orappendages; sometimes with an internal channel; thoughtto be stretch receptors.lyriform organs (ARTHRO: Chelicerata) In arachnids, a lyreshapedorgan on the joints of the legs and other appendages,sterna of the cephalothorax and abdomen and on thesting of Scorpiones; thought to be chemoreceptors; alsocalled slit sense organs.lyrule n. [L. dim. lyra, lyre] (BRYO) A median tooth on theproximal edge of the orifice.lyse a. [Gr. lysis, loosen] To undergo lysis.lysigenoma n. [Gr. lysis, loosen; gene, to produce; -oma, tumor](NEMATA) The name given a group of giant cells orsyncytia denoting their origin from lysis or dissolution ofwalls of normal cells, forming a tumor-like structure.lysin n. [Gr. lysis, loosen] Any of a number of substances capableof dissolving cells, bacteria, or tissues.lysis n. [Gr. lysis, loosen] 1. The decomposition of a substance.2. The digestion of cells or tissues by enzymatic action.lyssacine a. [Gr. lysis, loosen; akis, point] (PORIF: Hexactinellida)Skeletal framework formed by interlacing of the elongaterays of hexactines producing loose networks with irregularmeshes in siliceous sponges; may be considered anearlier stage of the dictyonine framework.lytic a. [Gr. lysis, loosen] Pertaining to lysis or to a lysin.