Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 81as a copulatory organ or gonopod.appendotomy n. [L. appendix, appendage; Gr. tome, a cutting]The loss of appendages. see autospasy, autotilly,autotomy.appose v.t. [L. ad, to; ponere, to put] To place opposite orbefore; to put, apply, or add one thing to another, to placein juxtaposition.apposition n. [L. ad, to; ponere, to put] 1. Juxtaposition. 2.The growth of a structure by the successive deposition oflayers on its outside. see intussusception.apposition eye (ARTHRO) The compound eye of diurnal insectsand crustaceans in which the rhabdom reaches the crystallinecone, it absorbs oblique rays of light in the pigmentedwalls of the ommatidium and, produces a mosaic image.see superposition eye.apposition image A mosaic image.appressed a., adv. [L. ad, to; premere, to press] Pressed orclosely applied against something; adherent.approximate a. [L. ad, to; proximare, to come near] Situatednear or close together.a priori weighting The weighting of taxonomic characters onthe basis of preconceived criteria. see a posterioriweighting.aprostatic a. [L. an, without; pro, before; stare, to stand](ANN: Oligochaeta) Lacking prostates.aptera n.pl. [Gr. an, without; pteron, wing] (ARTHRO: Insecta)Insects without wings; formerly an ordinal term includingthe fleas, lice and other wingless forms.apterergate n. [Gr. an, without; pteron, wing; ergate, worker](ARTHRO: Insecta) A wingless worker in vespid wasps, thatare normally winged.apterodicera a. [Gr. an, without; pteron, wing; dikeros, twohorned](ARTHRO: Insecta) A wingless insect bearing twoantennae.apterogyne n. [Gr. an, without; pteron, wing; gyne, female](ARTHRO: Insecta) A wingless female social insect that isnormally winged.