What are lacteals?

Explanation

**Step-by-Step Solution:**

1. **Definition of Lacteals**: Lacteals are specialized lymphatic vessels located in the lining of the small intestine.

2. **Function of Lacteals**: Their primary function is to absorb dietary fats that have been emulsified during digestion.

3. **Structure of Emulsified Fats**: When fats are emulsified, they form structures that consist of a hydrophilic (water-attracting) tail and a hydrophobic (water-repelling) head, with fat molecules at the center. This structure allows fats to be absorbed more efficiently.

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