Embryonic stem cells early stage embryos called blastocysts medical research
Close-up of scientist's hand using tuning knob of microscope during experiment in scientific laboratory. Embryologist working on microscope while doing microbiological research of embryos
Flock of black tadpoles swimming in a gray green muddy shallow pond
Flock of black tadpoles swimming in a gray green muddy shallow pond
Flock of black tadpoles swimming in a gray green muddy shallow pond
Flock of black tadpoles swimming in a gray green muddy shallow pond
Close-up of petri dish with cryoprotectant, microbiologist using pipette to place drop during laboratory manipulation. Process of preparation for cryopreservation of embryos in scientific laboratory
Procedure for placing cryoprotectant in petri dish standing under microscope on laboratory table. Laboratory manipulation of embryologist during preparation for cryopreservation of embryos
Laboratory worker examining samples under microscope in clinic. Embryologist is performing cryogenic preservation of embryos in lab
Close-up of petri dish with drops of cryoprotectant under microscope during work of embryologist in medical laboratory. Scientist using pipette to place embryos in cryoprotectant before vetrification
Close-up of woman microbiologist using microscope during scientific research in medical laboratory. Scientist making microbiological examination of embryos through modern microscope
Embryos tadpoles caviar moving in eggs of frog roe in a pond Spbd. polliwog closeup in water. spawn of amphibia. concept of fertilization, reproduction, swamp. breeding
Close-up of placing frozen embryos inside cryobank for subsequent storage and later use during in vitro fertilization or intracytoplasmic sperm injection, cryotechnologies in reproductive medicine
Close-up of plastic bottle with cryoprotectant substance standing on laboratory bench. Embryologist with pipette taking cryoprotectant to begin procedure of embryos cryopreservation in lab
