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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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732Maggenti and Gardnerprocryptic colors Imitative colors useful for concealment as aprotection against enemies. see Batesian mimicry, Mullerianmimicry.proctal see analproctiger n. [Gr. proktos, anus; L. gerere, to bear] (ARTHRO:Insecta) Anal portion <strong>of</strong> the 10th abdominal segment.proctodaeal, proctodaeum see proctodeumproctodeal feeding (ARTHRO: Insecta) In Isoptera, a drop <strong>of</strong>the contents <strong>of</strong> the rectal pouch being obtained from theanus <strong>of</strong> another termite. see stomodeal feeding.proctodeal valve see pyloric valveproctodeum n. [Gr. proktos, anus; hodos, way] (ARTHRO) Theposterior ectodermal region <strong>of</strong> the alimentary canal; hindgut;proctodaeum.proctostome n. [Gr. proktos, anus; stoma, mouth] The"mouth" <strong>of</strong> Cnidaria and Turbellaria.procumbent a. [L. pro, before; cubare, to lean] Prostrate;trailing; leaning forward.procurved a. [L. pro, before; curvare, to curve] (ARTHRO: Chelicerata)In Arachnida, used to denote the curvature <strong>of</strong> theeyes when the lateral eyes are further forward than themedian eyes. see recurved.procuticle n. [L. pro, before; cutis, skin] (ARTHRO) The thickerlayer beneath the epicuticle consisting <strong>of</strong> endocuticle andexocuticle that lends mass and strength to the cuticle; itcontains chitin, sclerotin and also calcium carbonate andcalcium phosphate deposits in Crustacea.prodehiscence n. [L. pro, before; dehiscere, to divide] (AR-THRO: Chelicerata) In Acari, molting in which the splitting<strong>of</strong> the old cuticle occurs later<strong>of</strong>rontally beside the frontalprotuberance.prodelphic a. [Gr. pro, before; delphys, womb] (NEMATA) Uteriparallel and anteriorly directed. see amphidelphic,monodelphic, didelphic, opisthodelphic.prodissoconch n. [L. pro, before; dis, two; concha, shell](MOLL: Bivalvia) 1. The embryonic shell. 2. Early shell secretedby the shell gland <strong>of</strong> the larva. 3. Later shell se-

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