← Chapter 28
Anatomy & Physiology · Chapter 28

Fertilization

Of millions of sperm, only one joins with the egg. The egg has clever ways to make sure it is exactly one. Step through the meeting.

The journey

Fertilizationsperm + egg → zygote

The steps

📷 Reference image
A real labeled figure to compare with the interactive above.
Fertilization reference figure
Fertilization — OpenStax, CC BY 3.0 (via Wikimedia Commons)