Eli5: Why do areolas exist ? What is their purpose ?

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I understand the actual knob on a breast for a feeding purpose . Wouldn’t just that be enough ? Why the areola around it especially with a different shade of colour to the rest of the breast ?

In: Biology

22 Answers

Anonymous 0 Comments

It is believed that the areola, and also that the areola darkens during pregnancy, allows a more easily contrasting area for the baby to identify and suckle.

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