为四倍体大燕麦和六倍体裸燕麦杂交提供了细胞胚胎学证据。
Cytoembryological evidence was provided for crosses between Avena magna and Avena nuda.
至今，许多植物已发现有雌性不育现象，人们对其进行了细胞学、胚胎学和遗传学研究，同时也探讨了植物雌性不育的发生机制。
So far, female sterility in many plants has been found and analysed on cytology, embryology and genetics, also the mechanisms of female sterility in plants have been discussed.
最近，技术已经开发为在体外培养干细胞，提供了前所未有的机遇，为学习和了解人体胚胎学。
Recently, techniques have been developed for the in vitro culture of stem cells, providing unprecedented opportunities for studying and understanding human embryology.
应用推荐