single human sperm swimming, close up, phase contrast - sperm stock videos & royalty-free footage00:25
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 - sperm stock videos & royalty-free footage00:20
single human sperm swimming, best, interference contrast - sperm stock videos & royalty-free footage00:33
video 4k prores hq. doctor preparing embryo cultivation plates - sperm stock videos & royalty-free footage00:14
black and white animation spermatazoa flocking to egg cell/ audio - sperm stock videos & royalty-free footage00:25
the doctor examines the sperm samples with microscope - sperm stock videos & royalty-free footage00:29
single human sperm swimming, close up, phase contrast - sperm stock videos & royalty-free footage00:10
microscopic close up spermatozoa surrounding single female egg - sperm stock videos & royalty-free footage00:27
human sperm swimming, race; two tailed human sperm top left of frame later in shot, interference contrast - sperm stock videos & royalty-free footage00:16
close angle of uterus or reproductive organ. egg cell in foreground bottom left. sperm cells fall or swim down from topcenter toward egg cell. human body. - sperm stock videos & royalty-free footage00:24
1920s b/w animated cartoon of sperm fertilizing egg and cell division - sperm stock videos & royalty-free footage00:17
human oocyte cryopreservation on september 17, 2014 in new york city. - sperm stock videos & royalty-free footage00:33
sperm donation; england: newcastle university: int microscopic shot of sperm swimming fertility scientists workig in lab - sperm stock videos & royalty-free footage00:29
california: los angeles: int liquid nitrogen vapour around "sperm tank" container dr robert graham and assistant opening canister, obscured by vapour... - sperm stock videos & royalty-free footage02:04
a sockeye salmon interrupts a pair laying and fertilizing eggs on a riverbed. available in hd. - sperm stock videos & royalty-free footage00:30
human sperm, medium close up lots sperm swimming around, includes deformed - sperm stock videos & royalty-free footage00:40
close angle of uterus. sperm enter screen from right, swims across to left, camera pans to follow but stops and sperm exit screen left. human body. - sperm stock videos & royalty-free footage00:31
sequence showing sperm swimming towards an egg in the fallopian tube. - sperm stock videos & royalty-free footage00:22
human oocyte cryopreservation on september 17, 2014 in new york city. - sperm stock videos & royalty-free footage00:46
human oocyte cryopreservation, intracytoplasmic sperm injection on september 17, 2014 in new york city. - sperm stock videos & royalty-free footage00:13
close angle of uterus. ovarian egg in left corner. sperm swim from top to egg at bottom. human body. - sperm stock videos & royalty-free footage00:25
cu rear view of mating european frogs, expressing spawn and sperm, united kingdom - sperm stock videos & royalty-free footage00:07
close angle of sperm swimming down vaginal canal which opens into uterus. sperm heads visible at bottom of screen. egg present in middle of uterus. human body - sperm stock videos & royalty-free footage00:30
artificial insemination: donor children not told their origins; lib int top removed from container of liquid nitrogen used to store frozen sperm - sperm stock videos & royalty-free footage00:03
national sperm bank opens in birmingham; t17070450 / tx file fertilisation clinic: int microscopic shot egg being pierced, injected with sperm - sperm stock videos & royalty-free footage00:04
a bowl of raw milt (shirako in japanese) fish sperm sacs in ponzu sauce eaten by a woman - sperm stock videos & royalty-free footage00:11
black and white animation of spermatozoa mving from the testes to the seminal vesicles / sperm mixing with semen and traveling through the penis /... - sperm stock videos & royalty-free footage00:44
artificial insemination: donor children not told their origins; lib technician removing lid from container of liquid nitrogen container carrying... - sperm stock videos & royalty-free footage00:24
living spermatozoa cells, machine automatically filling glass containers w/ liquid & melting top w/ heat to seal, many sealed bottles, storage tank... - sperm stock videos & royalty-free footage00:36
black and white close up spermatazoa flocking to rabbit egg cell/ audio - sperm stock videos & royalty-free footage00:11
animated sequence showing sperm within the fallopian tube. - sperm stock videos & royalty-free footage00:25
human oocyte cryopreservation on september 17, 2014 in new york city. - sperm stock videos & royalty-free footage00:33
human oocyte cryopreservation on september 17, 2014 in new york city. - sperm stock videos & royalty-free footage00:36
human oocyte cryopreservation on september 17, 2014 in new york city. - sperm stock videos & royalty-free footage00:17