Fertilisation, computer artwork
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Fertilisation, computer artwork
Fertilisation. Computer artwork of a sperm cell (purple) penetrating a human egg (ovum). Each sperm (spermatozoan) has a rounded head (acrosome) and a long tail with which it swims. Women usually release one egg per month, whereas men release millions of sperm in each ejaculation. Only one of these sperm can penetrate the eggs thick outer layer (zona pellucida) and fertilise it. Fertilisation occurs when the sperms genetic material (deoxyribonucleic acid, DNA) fuses with the eggs DNA. When this occurs the egg forms a barrier to other sperm
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6423064
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Acrosome Beginning Beginnings Fertilisation Fertilising Fertilization Fertilizing Gamete Gametes Ovum Penetrate Penetrating Penetration Re Production Sex Cell Sexual Reproduction Sperm Spermatozoan Spermatozoon Tail Uterus Winner Womb Zona Pellucida Cells
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