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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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90Maggenti and Gardnerarthropodin n. [Gr. arthron, joint; pous, foot] (ARTHRO) Aprotein constituent part <strong>of</strong> the chitinoproteinic structures.arthropodization n. [Gr. arthron, joint; pous, foot] (ARTHRO)Evolutionary development <strong>of</strong> the combination <strong>of</strong> characteristicsassociated with arthropods, including the chitinousexoskeleton.arthrostracous a. [Gr. arthron, joint; ostrakon, shell] (AR-THRO: Crustacea) Having the thorax and abdomen segmented,and bearing seven pairs <strong>of</strong> thoracic legs.article n. [L. dim. artus, joint] 1. A distinct segment or jointedpart or structure. 2. (ARTHRO) a. In Chelicerata, the serratedprocess on the chelicera <strong>of</strong> a tick. b. In Crustacea, asubdivision <strong>of</strong> the antennal or antennular flagella or appendage.c. In Insecta, a segment <strong>of</strong> a leg. see segbment.articulamentum n. [L. articulare, to divide] (MOLL: Polyplacophora)The shell layer between the tegmentum and hypostracum,that is composed <strong>of</strong> several separate components<strong>of</strong> crystalline shell structure; formerly the hard,semiporcellaneous shell layer projecting past the tegmentumforming the insertion plates and the sutural laminae.articular a. [L. articulare, to divide] Pertaining to a joint.articular area (ARTHRO: Insecta) The basal portion <strong>of</strong> a wing.articular corium see articular membrane, coriumarticular furrow (ARTHRO: Crustacea) A groove near the tergalmargin <strong>of</strong> the scutum, or scutal margin <strong>of</strong> the tergum,forming part <strong>of</strong> articulation between the two valves <strong>of</strong> barnacles.articularis n. [L. articulare, to divide] The pre-tarsus.articular membrane (ARTHRO) The nonsclerotized, flexiblemembrane between the segments <strong>of</strong> arthropods, and thejoints <strong>of</strong> arthropod appendages.articular pan A cup or dish-like impression into which an articulationis fitted; frogga.articular ridge (ARTHRO: Crustacea) In barnacles, a linearelevation on the scutum or tergum bordering the articularfurrow and together forming an articulation between thetwo valves.

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