雌蕊原基由小花原基的中央部分直接发育而成。
The central part of the floret primordium changes directly into gynoecium.
花的被片比雄蕊发育的要早，均由花原基发育而成。
The tepals were developed earlier than the stamens, both from the floret primordium.
更多证据显示，肿瘤同健康器官一样，由干细胞发育而成。
More evidence that tumours, like healthy organs, grow from stem cells.
根据萼片内的许多维管束结构，通常认为其由叶发育而成。
Sepals contain several vascular bundles, and are thought to be derived from leaves.
扁桃果实由单心皮上位子房发育而成，边缘胎座，横生胚珠。
The almond fruit was developed from solitary carpel in the superior ovary which there were the border placenta and amphitropous ovule.
大豆初生叶一般由7层原始细胞发育而成，通常形成3—4层栅拦细胞及2层脉侧叶肉细胞。
The soybean primary leaves developed from 7 layers of original cells, and 3-4 layers of palisade cells(PSC)and 2 layers of paraveinal Mesophyll cells (PVM) were formed in these leaves.
布朗支持想要创造混合胚胎的科学家。这混合胚胎，由人的细胞核植入动物卵细胞，经过几天的发育而成。
Brown supports scientists who want to create hybrid embryos in which the nuclei of human cells are inserted into animal eggs and allowed to grow for a few days.
第二，山中所使用的基因中，至少有一种被认为会诱发癌症，事实也很快证明，由诱导性万能干细胞发育而成的小鼠有极大概率罹患肿瘤。
Second, at least one of the genes Yamanaka used was known to trigger cancer, and indeed it soon became clear that mice grown from iPSCs frequently developed tumors.
它们是有选择地从大肚猪（pot-bellied）、新西兰困困猪（kune kune）、格洛斯特古老斑点猪（Gloucester Old Spot）以及汤沃斯猪（Tamworth）杂交而成，以获得娇小的身材——发育成熟后，它们站立时身高比一英尺多一点点。
They are selectively bred from a mix of pot-bellied, New Zealand kune kune, Gloucester Old Spot and Tamworth pigs until they attain tiny proportions – fully grown, they stand at just over a foot.
在神经发育过程中，轴突导向分子引导轴突选择正确途径，从而成功到达靶区。
During the neuro development, the guidance molecular of axon and receptor direct the axon to choose the correct way and reach the target.
部分太古宙绿岩带由不同的构造单元拼合而成，并发育不同于显生宙蛇绿岩的大洋壳岩石组合。
Some Archean greenstone belts represent collages of allochthonous fragments, among which oceanic crust slices are identified with characteristics distinct from the Phanerozoic ophiolites.
正常胚状体可通过类似合子胚的分化或不规则发育过程而成熟。
Normal embryoids could fully develop and mature through the process that was analogous to the differentiation of zygotic embryo.
现代松辽水系是在松辽盆地地质构造、古地貌发育的基础上，几经变迁逐渐演变而成的。晚第三纪以来，古松辽水系经历了几次大规模的河湖交替。
Since the Neogene, the ancient Songhua-Liao River system have undergone several changes with the alternation of fluvial and lacustrine formation on a large scale.
现代松辽水系是在松辽盆地地质构造、古地貌发育的基础上，几经变迁逐渐演变而成的。晚第三纪以来，古松辽水系经历了几次大规模的河湖交替。
Since the Neogene, the ancient Songhua-Liao River system have undergone several changes with the alternation of fluvial and lacustrine formation on a large scale.
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