单词 | cotyledon |
释义 | cotyledon[,kɒti'li:dn]n. 子叶, 寇太来顿属植物【医】 绒毛叶; 子叶(植物) cotyledon cot.y.le.don AHD: [k¼t”l-¶d“n] D.J. [7kKtl6i8dn]K.K. [7k$t16id2]n.(名词)1. Botany A leaf of the embryo of a seed plant, which, upon germination either remains in the seed or emerges, enlarges, and becomes green.Also called seed leaf 【植物学】 子叶:种子植物胚的叶片,在萌芽过程中,它或者保持在种子里或者出来,变大并变绿也作 seed leaf2. Anatomy One of the lobules constituting the uterine side of the mammalian placenta, consisting mainly of a rounded mass of villi.【解剖学】 绒毛叶:组成哺乳动物胎盘的子宫边的小叶之一,主要由团装绒毛组成语源:1. Latin [navelwort] 拉丁语 [脐景天] 2. from Greek kotul¶d½n 源自 希腊语 kotul¶d½n 3. from kotul¶ [hollow object] 源自 kotul¶ [空心物体] 继承用法:cot”yle“donal 或 cot”yle“donous AHD: [-¶d“n-…s] (形容词) |
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