- inductura
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In gastropod anatomy, a secondary layer of lamellar shell, usually situated along the inner lip of the aperture of a shell, and in some shells extending beyond.
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inductura
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inductura — n. [L. inductura, a coating] (MOLLUSCA: Gastropoda) Smooth shelly layer of the shell secreted by the mantle, extending from the inner side of the aperture over the parietal region, columellar lip, and part or all of the shell exterior … Dictionary of invertebrate zoology
callosity — n.; pl. ties [L. callus, hard skin] 1. A state or quality of being callous. 2. (MOLLUSCA: Gastropoda) The local thickened part of the callus or inductura of the shell … Dictionary of invertebrate zoology
callus — n.; pl. calluses, calli [L. callus, hard skin] 1. An unusually hardened or thickened area; a rounded swelling. 2. (ARTHROPODA: Insecta) In brachycerous Diptera, a knoblike swelling on the cuticle. 3. (MOLLUSCA: Gastropoda) A shelly substance… … Dictionary of invertebrate zoology
coinductura — n. [L. cum, with; indutus, clothed] (MOLLUSCA: Gastropoda) In some bellerophonts, a rather thick, obliquely layered shelly coating, extending over the inner lip from within the aperture, covering part of the inductura proper … Dictionary of invertebrate zoology
enamel — n. [OF. esmaillier, to coat with enamel] (MOLLUSCA: Gastropoda) The glossy substance which forms the inductura of the shell … Dictionary of invertebrate zoology
perinductura — n. [Gr. peri, around; L. inductura, a covering] (MOLLUSCA: Gastropoda) A continuous outer shell layer formed by the edge of the mantle reflected back over the outer lip … Dictionary of invertebrate zoology
