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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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756Maggenti and Gardnerductive packet; a proglottid.pseudoselenizone n. [Gr. pseudos, false; selene, the moon;zone, girdle] (MOLL: Gastropoda) A band <strong>of</strong> crescenticgrowth lines on the shell surface resembling a selenizone,but not identifiable as caused by a notch or slit in the aperture.pseudosematic see sematicpseudoserosa n. [Gr. pseudos, false; L. serum, whey] In embryology,membrane formed during splitting <strong>of</strong> the blastodermin the morula stage.pseudosessile a. [Gr. pseudos, false; sessum, sitting] (AR-THRO: Insecta) In Hymenoptera, appearing sessile due tohaving the abdomen usually basally constricted and its firstsegment fused with the metathorax.pseudosiphon n. [Gr. pseudos, false; siphon, tube] (MOLL: Bivalvia)In oysters, two opposing mantle edges that form ahole which is not functional.pseudospherule n. [Gr. pseudos, false; dim. sphaira, ball](CNID: Anthozoa) In Actinaria, a vesicle at the margin, <strong>of</strong>tenwith an aperture containing basitrichous isorhiza.pseudospondylium n. [Gr. pseudos, false; spondylos, joint](BRACHIO) A cup-shaped chamber accommodating theventral muscle field, contained between dental plates.pseudosternite see epiphalluspseudostigmatic organ (ARTHRO: Chelicerata) In Acari, one<strong>of</strong> two organs <strong>of</strong> sensory setae, various in shape, arisingfrom a cupule or pit located on the cephalothorax <strong>of</strong>Oribatida; thought to detect air movements and thus avoiddesiccation.pseudostoma n. [Gr. pseudos, false; stoma, mouth] A mouthlikeopening.pseudosymmetry n. [Gr. pseudos, false; symmetria, due proportion]Approximate symmetry <strong>of</strong> a structure divided by aplane that divides the structure into halves that are lessthan symmetrical.pseudosymphile n. [Gr. pseudos, false; syn-, together;philein, to love] (ARTHRO: Insecta) In social insects, a

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