Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

104Maggenti and Gardnerautosynapsis see autosyndesisautosyndesis n. [Gr. autos, self; syndesis, a binding together]The pairing of completely or partially homologous chromosomescontained in the same gametes at fertilization;autosynapsis. see allosyndesis.autotetraploid n. [Gr. autos, self; tetraple, fourfold] Atetraploid containing 4 sets of chromosomes per cell.autothysis see sting autotomyautotilly n. [Gr. autos, self; tillesthai, to pluck] Loss of appendagesby self-amputation. see autospasy.autotoky n. [Gr. autos, self; tokos, birth] The production ofprogeny by a single organism, including hermaphroditismand parthenogenesis.autotomize v.t. [Gr. autos, self; temnein, to cut] To shed apart intentionally; to effect autotomy.autotomy n. [Gr. autos, self; tome, a cutting] The act of reflexself-mutilation of a part or appendage of various invertebrates,i.e., annelids, cnidarians, crustaceans and insects.autotriploid n. [Gr. autos, self; triploos, threefold] A triploid inwhich the three diploid sets are identical. see allotriploid.autotrophic a. [Gr. autos, self; trophein, to nourish] Capableof synthesizing all substances needed for nutrition from inorganicfood substances. see heterotroph.autotype see heautotypeautozooecium n. [Gr. autos, self; zoon, animal; oikos, house](BRYO) A tube that encloses an autozooid.autozooid n. [Gr. autos, self; zoon, animal; eidos, form] 1.(BRYO) a. A zooid having at some stages of ontogeny aprotrusible lophophore, with or without the ability to feed.b. A common bryozoan containing feeding organs in thecolony; capable of all life functions in a monomorphic colony.2. (CNID: Anthozoa) In Alcyonaria, a feeding individualmember of a polymorphic colony.autozooidal polymorph (BRYO) An autozooid with a protrusiblelophophore, with or without feeding ability, differingfrom ordinary feeding zooids in size, shape, tentacle number,or other features.