皮,外被,天然殼
Tegument \Teg"u*ment\, n. [L. tegumentum, from tegere to cover. See {Thatch}, n., and cf. {Detect}, {Protect}.] 1. A cover or covering; an integument. 2. Especially, the covering of a living body, or of some part or organ of such a body; skin; hide.
tegument n : a natural protective covering of the body; site of the sense of touch; "your skin is the largest organ of your body" [syn: {skin}, {cutis}]