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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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160Maggenti and Gardnercapsule n. [L. dim. capsa, box] A sac-like membrane resultingfrom macroscopic alien objects enclosing an organ, egg,foreign body, etc. see giant cell.captaculum n.; pl. -ula [L. captare, to snatch at, catch](MOLL: Scaphopoda) One <strong>of</strong> numerous slender retractiletentacles with sucker-like tips, arising from the dorsal surface<strong>of</strong> the head; used in gathering foraminifera and verysmall mollusks.capuliform a. [L. capulus, holder; forma, shape] (MOLL: Gastropoda)Having the shape <strong>of</strong> a depressed cone with eccentricapex and near-apical part <strong>of</strong> the shell slightly coiled,as in Capulus .caput n.; pl. capita [L. caput, head] 1. The head or knob-likeprotuberance. 2. The head with all its appendages.capylus n. [LL. cappa, hood] (ARTHRO: Insecta) A hump on thedorsal aspect <strong>of</strong> the segments <strong>of</strong> many insect larvae.caraboid, carabidoid a. [Gr. karabos, a kind <strong>of</strong> beetle] (AR-THRO: Insecta) Resembling Carabidae; a carabid beetle;the second instar larvae <strong>of</strong> Meloidae, the blister beetles.carapace n. [Sp. carapacho, covering] 1. Any fused series <strong>of</strong>sclerites covering a portion <strong>of</strong> the body. 2. (ARTHRO: Chelicerata)a. In Acari, the more or less fused dorsal sclerites<strong>of</strong> the cephalothorax covering the idiosoma <strong>of</strong> mites andticks. b. In Arachnida, the upper covering <strong>of</strong> the cephalothorax.3. (ARTHRO: Crustacea) a. A cuticular, usually calcified,structure formed by the posterior and lateral extension<strong>of</strong> the dorsal sclerites <strong>of</strong> the head <strong>of</strong> many decapodsand other crustaceans, <strong>of</strong>ten covering head and thorax. b.In bivalves, a fold <strong>of</strong> integument extending from the maxillarysegment forming the shell. c. In some Cirripedia, themantle usually with calcified plates. 4. (ROTIF) The rigidcuticle <strong>of</strong> many rotifers.carapace angles (ARTHRO: Crustacea) In Conchostraca, theintersection <strong>of</strong> the straight dorsal margin by the anteriorand posterior ribs.carapace carina (ARTHRO: Crustacea) The narrow ridge on thesurface <strong>of</strong> a carapace.carapace costae (ARTHRO: Crustacea) Fine to coarse closely

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