| 单词 | 分化 |
| 释义 | 〔biogenesis〕The supposed recurrence of the evolutionary stages of a species during the embryonic development and differentiation of a member of that species. Also called In this sense, also called recapitulation 生物进化史：在一物种胚胎个体发育和分化期间，该物种的进化阶段有假定的重演现象 也作 在此意义上也可称作 recapitulation〔inducer〕A part or structure in an embryo that influences the differentiation of another part.诱引部分：胚胎中影响其它部分分化的部分或组织结构〔allotrope〕A structurally differentiated form of an element that exhibits allotropy.同素异形体：化学元素的结构分化形式，表现为同素异形现象〔polarity〕Intrinsic polar separation, alignment, or orientation, especially of a physical property:（二）极性，极：固有的二级分化、排列或定向，特别是作为一种物理属性：〔thallus〕A plant body undifferentiated into stem, root, or leaf.原植体：无根、茎、叶分化的植物体〔maturation〕The final differentiation processes in biological systems, such as the final ripening of a seed or the attainment of full functional capacity by a cell, a tissue, or an organ.最后分化的过程：生物系统的最后变异过程，例如种子成熟或细胞、组织、 器官功能达到完善〔whatnot〕"family differences, differing social origins, and whatnot"(George F. Kennan)“家庭差异，分化的社会根源，以及诸如此类的东西”(乔治F.凯南)〔vertebrate〕A member of the subphylum Vertebrata, a primary division of the phylum Chordata that includes the fishes, amphibians, reptiles, birds, and mammals, all of which are characterized by a segmented spinal column and a distinct, well-differentiated head.脊椎动物：脊索动物门的一个原始分支，属于脊椎动物分门的一种动物，包括鱼类、两栖动物、爬行动物、鸟类和哺乳动物，其共同特征是都有节段的脊柱和很明显的、分化的头部〔cladogram〕A branching, treelike diagram in which the endpoints of the branches represent specific species of organisms. It is used to illustrate phylogenetic relationships and show points at which various species have diverged from common ancestral forms.进化分枝图：一种分叉的树状图，其分枝的终点代表生物的特定品种。其被用来说明种系发展的关系，并显示在何处不同的物种从同一远祖形式分化〔dedifferentiation〕Regression of a specialized cell or tissue to a simpler, more embryonic, unspecialized form. Dedifferentiation may occur before the regeneration of appendages in plants and certain animals and in the development of some cancers.去分化，反分化：指高度分化的细胞或组织向更简单，更初期非特化的形式的退化。去分化发生在植物和某些动物的附器的再生之前，或一些癌症出现的时候〔redifferentiation〕A process by which a group of once differentiated cells return to their original specialized form.再分化：一组曾经分化过的细胞回到它们原来的特定形态的过程〔subindustry〕A business or an industry that arises from or provides materials and services to a larger industry:次工业：从一更大工业中分化出来或为其提供原材料及服务的商业或工业： |
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