n. 怀孕,胚胎发育
网络 妊娠; 受孕; 胎儿发育
Causes of ectopic fetation in 399 patients were retrospectively categorized and analyzed.
399例患者异位妊娠的原因被回顾性分类并分析了。
Methods Causes of ectopic fetation in 399 patients were retrospectively categorized and analyzed.
方法:采取回顾性分析的方法,对399例异位妊娠的病因进行分类。
Due to eyes characters of anatomical structure and optical function, it plays more important roles in eyes stasis, fetation, differentiation, proliferation and tumor incidence.
由于眼组织功能和解剖结构的特殊性,使得这一结构在眼的稳态、胚胎发育、分化增殖,乃至肿瘤的发生方面起着更为重要的作用。
In order to probe into effects of zoology environment and weather on fetation of Hynobius Leechii Boulenger, we have observed fetation of Hynobius Leechii Boulenger in Xiuyan and Qianshan area.
为探讨地域生态环境和气候等因素对胚胎发育的影响,对千山区和岫岩区东北小鲵胚胎发育进行了观察。