cryopreservation of genetic material. ovum in ice cube on white background

egg ovum freezing ice cube oocyte design genetic material background isolated illustration white health medical medicine bank laboratory liquid biology storage biotechnology human cell biochemistry fertility reproduction biological nitrogen fertilization preservation reproductive infertility insemination ivf vitro sample donor fertilisation artificial ova conserve cryo cryobank cryoconservation cryopreservation cryosample female object preserve