Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 79ture forming an exit from the apochete; may be equivalentto an oscule.apopyle n. [Gr. apo, away; pyle, gate] (PORIF) An exhalentaperture from a choanocyte chamber.aporrhysa n.pl. [Gr. aporrhyein, to flow away] (PORIF) The exhalentcanals. see epirrhysa.aposematic a. [Gr. apo, away; sema, signal] Warning colorationor structures that repel predators, also includingmovements, sounds, smells, etc. see allosematic color,sematic.aposeme n. [Gr. apo, away; sema, signal] A population inwhich all the individuals, even though taxonomically distinct,share the same aposematic coloration.apostatic a. [Gr. apostates, deserter] Widely departing fromthe norm; said of a phenotype that differs strikingly fromthe search image of a predator.a posteriori weighting The weighting of taxonomic characterson the basis of their proved contribution to the establishmentof sound classifications. see a priori weighting.aposymbiotic a. [Gr. apo, away; syn, together; bios, life] Referringto an organism separated from its symbiotes; symbiote-free;usually refers to mutualistic symbiotes. seemutualism.apotele n. [Gr. apo, away; telos, end] (ARTHRO: Chelicerata)The terminal eudesmatic segment of the appendages ofmites, generally constituting two tendons and two articulation-points.apotelic a. see pretarsus.apotome n. [Gr. apo, away; tomos, a cut] A part or subdivisionappearing as if separated from the whole.apotorma n.; pl. -mae [Gr. apo, away; tormos, socket] (AR-THRO: Insecta) In Scarabaeoidea larvae, a process thatextends forward from the torma between the pternotormaand the interior end of the torma.apotype see hypotypeapotypic a. [Gr. apo, away; typos, type] Varying from a type.apparatus n.; pl. -ratus, -ratuses [L. apparatus, equipment]Any group of structures or parts that unite together in a