What Is Egg

An **egg** is a reproductive cell produced by female animals, including birds, reptiles, amphibians, and many insects—but most commonly, when we talk about eggs, we’re referring to **bird eggs**, especially **chicken eggs**, which are widely eaten as food.

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### 🍳 In Food Terms:

A chicken egg typically has:

* **Shell** – the hard, protective outer layer.

* **Egg white (albumen)** – the clear liquid that turns white when cooked; rich in protein.

* **Egg yolk** – the yellow center, which contains fats, vitamins, and nutrients.

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### 🐣 In Biology:

An egg (or **ovum**) is:

* A female **reproductive cell**.

* When fertilized by a sperm cell, it can develop into a new organism.

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### 🧪 Nutritional Highlights:

* High in **protein**

* Contains **vitamins A, D, B12**, and **choline**

* Good source of **healthy fats** (mostly in the yolk)

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Would you like to explore [types of eggs used in cooking](f) or [nutritional benefits of eating eggs](f)?