ecu shot of bdelloidea is class of rotifers found in fresh water and moist soil which typically have well developed corona, genus philodina here filter feeding for bacteria and small algal cells / newcastle emlyn, ceredigion, united kingdom - 減數分裂 個影片檔及 b 捲影像00:25
sperm cells swim towards an egg cell in this microscopic animation. human reproduction concept - 減數分裂 個影片檔及 b 捲影像00:10
ecu shot of bdelloidea is class of rotifers found in fresh water and moist soil which typically have well developed corona, genus philodina here filter feeding for bacteria and small algal cells / newcastle emlyn, ceredigion, united kingdom - 減數分裂 個影片檔及 b 捲影像00:58
ecu shot of bdelloidea is class of rotifers found in fresh water and moist soil which typically have well developed corona, genus philodina here filter feeding for bacteria and small algal cells / newcastle emlyn, ceredigion, united kingdom - 減數分裂 個影片檔及 b 捲影像00:19細菌
human oocyte cryopreservation, intracytoplasmic sperm injection on september 17, 2014 in new york city. - 減數分裂 個影片檔及 b 捲影像00:13人工授精
freezing a female egg. human oocyte cryopreservation on september 17, 2014 in new york city. - 減數分裂 個影片檔及 b 捲影像00:14
human oocyte cryopreservation, sperm is injected directly into the egg with a needle in a petri dish september 17, 2014 in new york city. - 減數分裂 個影片檔及 b 捲影像00:39
sperm cells swim towards an egg cell inside a tunnel in this microscopic animation. human reproduction concept. 3d animation - 減數分裂 個影片檔及 b 捲影像00:12
sperm cells swim towards an egg cell inside a tunnel in this microscopic animation. human reproduction concept. 3d animation - 減數分裂 個影片檔及 b 捲影像00:12
explains meiosis, the type of cell division involved in sexual reproduction, with emphasis on the physical and chemical structure of chromosomes.... - 減數分裂 個影片檔及 b 捲影像00:33