米胚是一种得天独厚的天然营养源，具有很高的营养价值。
The rice germ is a natural nutrient resource and has vary high nutritive value.
外源生长素和细胞分裂素是诱导离体培养细胞分化与增殖所必需的，2，4-D是诱导胚性愈伤组织的重要激素。
The exogenous auxin and cytokinin are necessary to induced differentiation and proliferation of cells of culture in vitro. 2,4-D is an important hormone of induced embryogenic calluses.
结果胚鼠室管膜源性神经干细胞在相应培养条件下呈现出神经干细胞快速增殖，形成由多细胞组成的细胞球（神经球）；
Results The NSCs derived from the fetal rat ependyma were observed to rapidly proliferate to form some cellular spheres or neural spheres consisting of NSCs.
利用水稻成熟胚为外植体，接种在NB培养基上，分别附加不同的外源激素，以诱导愈伤组织并促其分化，最终获得水稻再生植株。
The mature embryos were cultivated on NB media with different hormones, by using the mature embryos in rice as explants, and regeneration plants were obtained successfully.
在培养基中加入外源激素和多种氨基酸可以提高胚状体的诱导效率，平均比对照增加59.64%；
The added exogenous hormone and poly amino acid to culture medium can improve the inductivity of embryoid, increasing averagely 59.64% than that of the contrast.
早期阶段的幼胚培养成苗与外源激素有一定关系。
Plants normally grown at early stage in young embryos are related to exogenous hormones.
本文探讨了脑源性神经营养因子、神经生长因子对体外长期培养的胚基底前脑胆碱能神经元是否具有延缓退变的作用。
The delaying effects of BDNF and NGF on the degeneration of the long term cultured embryonic basal forebrain cholinergic neurons in vitro were studied.
本试验用外源植物DNA处理水稻离体胚，并获取胚的再生植株。
Rice plants can be regenerated from the in vitro embryo treated by exogenous plant DNA in the experiment.
本试验用外源植物DNA处理水稻离体胚，并获取胚的再生植株。
Rice plants can be regenerated from the in vitro embryo treated by exogenous plant DNA in the experiment.
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