Zona pellucida

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

The zona pellucida (Latin meaning "transparent zone") is the specialized area surrounding mammalian oocytes (eggs). It is also known as an egg coat. The zona pellucida is essential for oocyte growth and fertilization.

Excerpt from the Wikipedia article “Zona pellucida”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: ZEISS Microscopy from Germany, CC BY-SA 2.0, via Wikimedia Commons.