cuticle

名词 cuticle:

1. the dead skin at the base of a fingernail or toenail
2. the outer layer of the skin covering the exterior body surface of vertebrates
   同义词：epidermis
3. hard outer covering or case of certain organisms such as arthropods and turtles
   同义词：carapace, shell, shield

cu.ti.cle

n.（名词）
The outermost layer of the skin of vertebrates; epidermis.
表皮：脊椎动物皮肤的最外层；表皮
The strip of hardened skin at the base and sides of a fingernail or toenail.
角质层：位于指甲或趾甲基部边缘的硬化带状皮肤
Dead or cornified epidermis.
角质层：死的或角化了的表皮
Zoology The noncellular, hardened or membranous protective covering of many invertebrates, such as the transparent membrane that covers annelids.
【动物学】 护膜：许多非脊椎动物的非细胞的、硬化或膜状的保护性覆盖层，如覆盖节肢动物的透明膜状物
Botany The layer of cutin covering the epidermis of the aerial parts of plants.
【植物学】 角质层：覆盖在植物的气生部分表皮上的一层角质层

来源：
Latin cutocula [diminutive of] cutis [skin] * see (s)keu-
拉丁语 cutocula [] cutis的小后缀 [皮肤] *参见 (s)keu-

【引伸】
cutic.ular