The chalaza is the small white, rope-like strand often seen attached to an egg yolk. Although it may look unusual, it is a natural part of the egg and is completely normal. Many people mistake it for something harmful, but it is actually a sign of a healthy structure inside the egg.

Its main role is to keep the yolk centered within the egg. Each egg contains two chalazae, one on each side of the yolk. These twisted strands of egg white (albumen) act like anchors, preventing the yolk from moving freely and helping protect it from damage.

The chalaza often stands out because it looks thicker and more cord-like than the surrounding smooth egg white. It is simply a denser part of the albumen that has naturally twisted into a strand during formation.

Because of its appearance, several myths exist about it.

Myth #1: It is not related to embryo development. It has no connection to a chick forming inside the egg. Eggs
Myth #2: “The Chalaza Means the Egg Is Fertilized The presence of a chalaza does not indicate fertilization. All eggs, whether fertilized or not, contain chalazae.”
Myth #3: “It should be removed It is completely edible and safe. It does not affect the taste or safety of the egg.”

In terms of freshness, the chalaza can actually be a useful indicator. In fresh eggs, it is firm and clearly visible, keeping the yolk tightly in place. As eggs age, the egg white becomes thinner, the chalaza weakens, and it becomes less noticeable.

Overall, a visible chalaza is completely normal and often suggests a fresher egg. It plays an important role in maintaining egg structure and quality, even though it is often misunderstood.