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cuticle |
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cuticleThe horny noncellular surface layer of many invertebrates such as insects; in botany, the waxy surface layer on those parts of plants that are exposed to the air, continuous except for stomata and lenticels. All types are secreted by the cells of the epidermis. A cuticle reduces water loss and, in arthropods, acts as an exoskeleton. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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5 [micro]m thick and cuticular spines 20-30 [micro]m long. To identify the Asian roach, researchers experimented with roaches using an assay for cuticular hydrocarbons, the chemicals found in the outer waxy layer that covers the roach's whole body. Members of the Trichostrongyloidea were also excluded on the basis of the absence of a cephalic vesicle and longitudinal cuticular ridges. |
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