【摘要】 中华大蟾蜍早期胚胎发育分为 2 5个时期 ,在常温下 (1 5 - 1 8℃ )全过程历时 393 .37小时。同时对早期胚胎发育的特点进行了讨论 ,并将孵化期单列更多还原

【Abstract】 The early embrgonic development of Bufo bufo gargarizans can be divided into 25 periods at the temperature 17-18℃.The whole course is about 393.37 hours.The features of the early embryonic development of Bufo bufo gargarizans are also studied in this paper.更多还原