单词 | 胚珠 |
释义 | 〔pistil〕The female, ovule-bearing organ of a flower, including the stigma, style, and ovary.雌蕊,雌蕊群:包括柱头、花柱和子房的花雌蕊,长有胚珠〔campylotropous〕Having an ovule partially inverted and curved such that the micropyle nearly meets the funiculus.弯生胚珠的:具有部分地反向生长并变弯曲以致卵孔几乎碰到珠柄的胚珠的〔polyembryony〕Development of more than one embryo from a single egg or ovule.多胚;多胎:从一个单个的卵子或胚珠发展出一个以上的胚胎〔hilum〕The scar on a seed, such as a bean, indicating the point of attachment to the funiculus.种脐:种子(如豆)上的疤痕,系胚珠于胚珠柄的痕迹〔angiosperm〕A plant whose ovules are enclosed in an ovary; a flowering plant.被子植物:一种胚珠被包在子房里的植物;一种开花植物〔nucellus〕The central portion of an ovule in which the embryo sac develops; the megasporangium.珠心:胚珠的中心,胚芽囊在此发育;大孢子囊〔seed〕A ripened plant ovule containing an embryo.种子:包含有胚的成熟的植物胚珠〔carpel〕One of the structural units of a pistil, representing a modified, ovule-bearing leaf.心皮:雌蕊的结构单位之一,表示一片变异的、含胚珠的叶子〔anatropous〕Completely inverted so that the micropyle is facing downward and situated near the base of the funiculus:胚珠倒生的:胚珠完全颠倒使得珠孔朝下,位于珠柄基部的:〔orthotropous〕Growing straight, so that the micropyle is at the end opposite the stalk. Used of an ovule.直生的:直立生长以至珠孔在茎的另一端的。用于形容胚珠 |
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