sperm cells swimming towards egg for fertilization
Schlüsselwörter
fertilization,
sperm,
reproduction,
fertility,
ovum,
human,
biology,
medicals,
science,
cellular,
microscopic,
embryo,
pregnancy,
life,
origin,
genetic,
deoxyribonucleic acid,
anatomy,
health,
in vitro,
male,
female,
nucleus,
organism,
uterus,
uterus,
gynecology,
research,
clinic,
conception