national sperm bank opens in birmingham; t17070450 / tx filefertilisation clinic:intmicroscopic shot egg being pierced, injected with sperm - 精子 個影片檔及 b 捲影像00:04
animated sequence showing sperm travelling up a mucus chemical ladder towards the cervix. - 精子 個影片檔及 b 捲影像00:15
a cloud of pacific herring sperm drifts down on egg-covered kelp strands. available in hd. - 精子 個影片檔及 b 捲影像00:09阿拉斯加州
in this feminine hygiene instructional film, an illustration demonstrates the male reproductive system. semen is seen heading from the testes into... - 精子 個影片檔及 b 捲影像00:28
in this feminine hygiene instructional film, an illustration demonstrates the female reproductive system. sperm are seen heading up the fallopian... - 精子 個影片檔及 b 捲影像00:17
toque macaques mate then female runs off, zoom in to show male eating his own semen, polonnaruwa - 精子 個影片檔及 b 捲影像00:17
microscopic shots of mutant sperms including no tails all tail two tails hyperactive deformed heads blue filter - 精子 個影片檔及 b 捲影像00:22
coach shows anatomical drawing of male genitalia and explains the fertilization process, us, 1957. sex education film geared for teenage boys. we... - 精子 個影片檔及 b 捲影像00:26
video 4k prores hq. dewar vessel with liquid nitrogen with frozen embryos and eggs in a cryobank in a modern ivf clinic. reproductive medicine, in vitro fertilization - 精子 個影片檔及 b 捲影像00:06
close-up and time-lapse photography enables us to examine the liverwort, marchantia, a standard example of alternation of generations. the role of... - 精子 個影片檔及 b 捲影像00:27
an embryologist, oksana lyzohub explains were with reproductive cells are stored frozen in “ivmed” fertility center in central kiev, ukraine on... - 精子 個影片檔及 b 捲影像00:16
life story of the oyster - part 10 of 18. shows how the free-swimming oyster larva develops into an adult attached to objects in shallow waters of the ocean. the film notes the place of this well-known mollusk in the marine food cycle - 精子 個影片檔及 b 捲影像00:30
life story of the oyster - part 9 of 18. shows how the free-swimming oyster larva develops into an adult attached to objects in shallow waters of the ocean. the film notes the place of this well-known mollusk in the marine food cycle - 精子 個影片檔及 b 捲影像00:29
laws of heredity - part 5 of 25. the film demonstrates how inheritance is determined in statistically predictable ways. it presents the insights and conclusions about inheritance that were first achieved by gregor mendel - 精子 個影片檔及 b 捲影像00:31
segmentation--the annelid worms - part 23 of 28. describes the structure and functions of the segmented worm body systems, and shows that the segmented annelid worm body plan represents an important evolutionary development. the major classes of the phylu - 精子 個影片檔及 b 捲影像00:33
biology: exploring the living world - part 10 of 33. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their p - 精子 個影片檔及 b 捲影像00:30
biology: exploring the living world - part 9 of 33. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their ph - 精子 個影片檔及 b 捲影像00:33
in an aerial view, rescuers splash water on a sperm whale stranded on a beach on april 19, 2022 in ningbo, zhejiang province of china. the sperm... - 精子 個影片檔及 b 捲影像00:08
fertilisation. animation of sperm cells attempting to penetrate a human egg. only one of these sperm cells fertilises the egg. fertilisation occurs when the sperms genetic material (deoxyribonucleic acid, dna) fuses with the eggs dna forming a zygote - 精子 個影片檔及 b 捲影像00:20
doctors call for men to able to donate sperm after they die; england: london: gir:intdr larisa corda live studio interview sot. - 精子 個影片檔及 b 捲影像03:08
close angle of egg cell in uterus, egg cell on bottom left corner. sperm cell swim or fall down from top to egg cell. human body. - 精子 個影片檔及 b 捲影像00:23
close angle of sperm cells swim down in fallopian tube or reproductive organ. human body. - 精子 個影片檔及 b 捲影像00:34
close angle of egg in uterus. sperm enters screen from top right and enters egg then exits bottom left. human body. - 精子 個影片檔及 b 捲影像00:22
close angle of uterus. egg present in foreground. sperm enter screen from top and exit to bottom left. human body. - 精子 個影片檔及 b 捲影像00:22
medium angle. uterine lining in uterus. shot pans down. sperm swimming from top to egg on bottom. human body. - 精子 個影片檔及 b 捲影像00:28
close up angle in uterus or reproductive organs, egg cell in foreground. fallopian tube hole in top center. sperm cells swim out of hole and down toward egg cell. human body. - 精子 個影片檔及 b 捲影像00:24
computer animated video clip of a human body being classified followed by the medical symbol - 精子 個影片檔及 b 捲影像00:18
julianne moore and annette bening star as a married lesbian couple whose two children go looking for their sperm donor in a movie that was met with... - 精子 個影片檔及 b 捲影像03:41