cell dividing, prophase, metaphase, anaphase, telophase. cytology, microscopic, science, biology, genetics, heredity. - 有絲分裂 個影片檔及 b 捲影像00:27
first fifty: ebe's golden anniversary retrospective - part 18 of 29. in this 50th anniversary retrospective film, we hear thomas edison's words proclaim that educational films would one day replace the textbook as the basic tool of education. in the 1958 - 有絲分裂 個影片檔及 b 捲影像00:31
1980 scientific micrograph cellular process of mitosis / united states / audio - 有絲分裂 個影片檔及 b 捲影像00:07
microscopic close up cell division and reproduction / fertilization of female egg cell - 有絲分裂 個影片檔及 b 捲影像00:12