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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> 211a digestive, excretory and reproductive duct. cloacal a.cloacal aperture The external opening <strong>of</strong> the cloaca; the vent.cloacal cavity see spongocoelcloacal passage (MOLL: Bivalvia) A passage in exhalant mantlechamber that serves as a cloaca.cloacal tubus see tubusclone n. [Gr. klon, twig] 1. All the descendants derived byasexual reproduction from a single sexually produced individual.2. (PORIF) A ray-like arm; a desma.clonotype n. [Gr. klon, twig; typos, type] 1. An asexuallypropagated specimen from a part <strong>of</strong> a type specimen orholotype. 2. The phenotype or homogenous product <strong>of</strong>cloning.clonus n. [Gr. klonos, violent confused motion] Muscle contractionsinterspersed with relaxation in rapid succession;incomplete tetanus.closed a. [L. claudere, to close] (MOLL: Bivalvia) Pertaining topelecypods, the shells <strong>of</strong> which do not gape.closed cell (ARTHRO: Insecta) A wing cell completely surroundedby veins, and not reaching the wing margin.closing apparatus <strong>of</strong> a spiracle (ARTHRO: Insecta) One ortwo movable valves in the spiracular opening or internalconstriction closing <strong>of</strong>f the atrium from the trachea.closing band (ARTHRO: Insecta) A s<strong>of</strong>t, convex valvular fold <strong>of</strong>the inner closing mechanism <strong>of</strong> a spiracle.closing bow (ARTHRO: Insecta) A crescentric or semicircularelastic bar functioning as the inner closing mechanism <strong>of</strong> aspiracle.clubbed a. [ON. klubba, club] Having the distal part or segmentenlarged.club shaped see clavatecluster n. [A.S. clyster, cluster] Collecting together for suchpurposes as prior to mating or hibernation, low temperatures,etc.; agminate.clypeal a. [L. clypeus, shield] Of or pertaining to the clypeus.

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