| 单词 | cuticle |
| 释义 | cuticle —cuticular /kyooh tik"yeuh leuhr/, adj. /kyooh"ti keuhl/, n. 1. the nonliving epidermis that surrounds the edges of the fingernail or toenail. 2. the epidermis. 3. a superficial integument, membrane, or the like. 4. Also called cuticula. Zool. the outer, noncellular layer of the arthropod integument, composed of a mixture of chitin and protein and commonly containing other hardening substances as well. 5. Bot. a very thin hyaline film covering the surface of plants, derived from the outer surfaces of the epidermal cells. [1605-15; < L cuticula the skin, equiv. to cuti(s) skin, CUTIS + -cula -CLE1] |
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