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cuticle science definition
- The noncellular, hardened or membranous protective covering of many invertebrates, such as the transparent membrane that covers annelids.
- A layer of wax and cutin that covers the outermost surfaces of a plant. The cuticle is secreted by the epidermis and helps prevent water loss and infection by parasites.
- The hard skin around the sides and base of a fingernail or toenail.
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