Cuticle



GRE TOEFL

解释

GRE 红宝书

• n. 表皮
• ［英］ n. 表皮 ( the outer layer of the skin; epidermis)

Webster Collegiate

noun

• Etymology: Latin cuticula, diminutive of cutis skin — more at hide
• Date: 1615
• 1. an outer covering layer: as
  • a. an external envelope (as of an insect) secreted usually by epidermal cells
  • b. the outermost layer of animal integument composed of epidermis
  • c. a thin continuous fatty or waxy film on the external surface of many higher plants that consists chiefly of cutin
  • d. the outermost membranous layer of a hair consisting of overlapping scales of epithelial cells
• 2. dead or horny epidermis
• ? cuticular adjective

---