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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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722Maggenti and Gardnerthe cheliceral segment; segment I.precibarium n. [L. prae, before; L. cibarius, pertaining t<strong>of</strong>ood] (ARTHRO: Insecta) A canal formed by the union <strong>of</strong> theepipharynx and the hypopharynx, providing a connectinglink between the food canal <strong>of</strong> the maxillary stylets and thecibarial pump.precipitin n. [L. praeceps, head long] A specific antibody developedin response to foreign protein in the blood.precocious stages 1. Premature development. 2. An organthat appears earlier in the development <strong>of</strong> a species than inthe development <strong>of</strong> other related species.preconnubia n. [L. prae, before; connubium, marriage] Thecoming together <strong>of</strong> animals before mating season.precornua n. [L. prae, before; cornu, horn] (ARTHRO: Insecta)In Diptera larvae, the cornua <strong>of</strong> the cephalo-basipharynx.precosta n. [L. prae, before; costa, rib] (ARTHRO: Insecta) Insome primitive forms, the small first wing vein.precoxa n. [L. prae, before; coxa, hip] 1. (ARTHRO: Crustacea)When present, the segment <strong>of</strong> the protopod proximal to thecoxa; pleuropod. 2. (ARTHRO: Insecta) see subcoxa. precoxala.precoxal bridge (ARTHRO: Insecta) That part <strong>of</strong> the thoracicpleuron anterior to the trochantin, usually continuous withthe episternum and the basisternum; precoxale.precursor n. [L. prae, before; currare, to run] 1. Element orsubstance that preceeds the final one. 2. Ancestor or ancestralpart. see anlage, rudiment.precursory cell A mother cell or metrocyte.predaceous, predacious a. [L. preda, prey] Having the characteristics<strong>of</strong> a predator.predator n. [L. praedator, plunderer] An animal that kills orrenders its prey insensible in order to mostly or entirelyconsume it.predictive value The capability <strong>of</strong> a classification to make predictionson newly employed characters or newly discoveredtaxa.

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