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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 157gastrovascular system; in medusae may be radial or circularwith interconnections. 4. (MOLL: Gastropoda) A narrow,semitubular extension <strong>of</strong> the aperture.canalaria a. [L. canalis, channel] (PORIF) Referring to spiculesin the lining <strong>of</strong> canals.canaliculate a. [L. dim. canalis, channel] Having longitudinalgrooves, channels or sutures.canaliculus n.; pl. -uli [L. dim. canalis, channel] 1. A minutecanal. 2. (ARTHRO: Insecta) In Lepidoptera, an elongatesclerotized structure that functions as a support or guidefor the aedeagus. 3. (BRYO: Stenolaemata) The large styleinflecting septumlike projections into the zooecial chamberparallel to the length.canaliferous a. [L. canalis, channel; ferre, to carry] (MOLL)Having a canal-like extension <strong>of</strong> the aperture in the form <strong>of</strong>small grooves or furrows.canalization n. [L. canalis, channel; Gr. izein, to make] Thecharacteristic developmental pathways that achieve a standardphenotype in spite <strong>of</strong> genetic or environmental disturbance.canalizing selection The selection <strong>of</strong> genes to stabilize thedevelopmental pathways so as to make the phenotype lesssusceptible to the effect <strong>of</strong> environmental or genetic disturbances.canal <strong>of</strong> fecundation (ARTHRO: Insecta) The seminal canal <strong>of</strong>female Coleoptera.canal system (PORIF) Passageways through which waterpasses from the surface pores to the osculum or excurrentopenings.cancellate, cancellated a. [L. cancellatus, latticed] Beingmarked with numerous ridges or lines; pertaining to a networkformed by small interlacing bars; reticulated.cancrisocial a. [L. cancer, crab; socius, companion] Livingwith or on the shell <strong>of</strong> a crab; commensalism with crabs.cancroid a. [L. cancer, crab; Gr. eidos, like] Resembling acrab.cane n. [L. candeo, shine, glow] (NEMATA) A refringent thick-

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