| 单词 | 卵子 |
| 释义 | 〔fertilize〕To cause the fertilization of (an ovum, for example).使（如卵子）受精、受胎〔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〔male〕A member of the sex that begets young by fertilizing ova.雄性：能使卵子受精而生产下一代的性别中的一种〔acrosome〕A caplike structure at the anterior end of a spermatozoon that produces enzymes aiding in egg penetration.精子头粒蛋白：一种在精子内前端的帽状结构，可产生帮助穿透卵子的酶〔spermatheca〕A receptacle in the reproductive tracts of certain female invertebrates, especially insects, in which spermatozoa are received and stored until needed to fertilize the ova.受精囊：某些雌性无脊椎动物的生殖道中的容器，能接收并贮存精子直到需要用其给卵子受精时，尤指昆虫〔spawn〕To produce or deposit (spawn).生产或繁殖卵子〔gamete〕A reproductive cell having the haploid number of chromosomes, especially a mature sperm or egg capable of fusing with a gamete of the opposite sex to produce the fertilized egg.配子：具有染色体的单倍数的生殖细胞，尤指一个成熟精子或卵子能与相对性的配子结合而产生受精卵〔follicle〕A cavity in the ovary containing a maturing ovum surrounded by its encasing cells.卵泡：含成熟的卵子的子房中的小洞，被周围细胞所包围〔heterolecithal〕Having the yolk unevenly distributed throughout the egg.异卵黄的：卵子中卵黄分布不均匀的〔ovotestis〕A hermaphroditic reproductive organ that produces both sperm and eggs, found in certain gastropods.卵精巢：雌雄同体的再生器官，可以产精子和卵子，在腹足纲软体动物身上发现〔heterogamete〕Either of two conjugating gametes that differ in structure or behavior, such as the small, motile male spermatozoon and the larger, nonmotile female ovum. Also called anisogamete 异形配子：在结构或行为上不同的两个配合配子之一，如小的能动的雄性精子与大的不能动的雌性卵子 也作 anisogamete〔oogenesis〕The formation, development, and maturation of an ovum.卵生成：卵子的形成，发育和成熟〔gynogenesis〕Parthenogenesis in which the egg is activated by sperm, but without fusion of the egg and sperm nuclei.雌核生殖：一种单性生殖，精子激活卵子，但是卵子和精子核没有融合〔oviduct〕A tube through which the ova pass from the ovary to the uterus or to the outside.输卵管：卵子从卵巢到子宫或外部所经过的管道〔amphimixis〕The union of the sperm and egg in sexual reproduction.两性融合，杂交繁育：在有性繁殖中精子和卵子的结合〔male〕Of, relating to, or designating the sex that has organs to produce spermatozoa for fertilizing ova.雄的，公的：属于、表明是或与某种性别有关的，此性别具有能产生使成熟卵子受精的精子的器官〔spawn〕The eggs of aquatic animals such as bivalve mollusks, fishes, and amphibians.卵：双壳类软体动物、鱼类和两栖动物的水生动物的卵子〔pronucleus〕The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.原核，前核：在受精细胞核结合之前，精子或卵子的单倍体细胞核〔conception〕The entity formed by the union of the male sperm and the female ovum; an embryo or a zygote.合子：精子与卵子结合成的物体；胚胎或合子〔dizygotic〕Derived from two separately fertilized eggs. Used especially of fraternal twins.两合子的，两受精卵的：源自两个分别受精的卵子的。尤用于指异卵双胞胎 |
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