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Fertilization

Fertilization

During fertilization, an egg and sperm cell fuse to create a new diploid structure. In humans, the process occurs once the egg has been released from the ovary, and travels into the fallopian tubes. The process requires several key steps: 1) sperm present in the genital tract must locate the egg; 2) once there, sperm need to release enzymes to help them burrow through the protective zona pellucida of the egg; and 3) the membranes of a single sperm cell and egg must fuse, with the sperm...

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Related Experiment Video

Updated: Jun 19, 2025

Windowing Chicken Eggs for Developmental Studies

Windowing Chicken Eggs for Developmental Studies

Published on: October 1, 2007

Editorial focus: will the EGG finally hatch?

André J P M Smout¹, Ryan J Jalleh^2,3, Karen L Jones^2,3

¹Department of Gastroenterology and Hepatology, Amsterdam University Medical Center, Amsterdam, The Netherlands.

American Journal of Physiology. Gastrointestinal and Liver Physiology

|July 23, 2024

Summary

No abstract available in PubMed .

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