Z

Back to Glossary                < Go to Y

• Zona Pellucida

• Zygote

Zona Pellucida

The jelly-like coating on the outside of the ovulated egg. It remains in place during the first few days of embryonic development and then disperses.

Zygote

Fertilised egg. The single cell from which a new individual develops.

Back to Glossary                < Go to Y