Which gland secretes sebum ?

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Sebum**: Sebum is an oily or waxy substance that is produced by certain glands in the skin. It plays a crucial role in lubricating and moisturizing the skin.

2. **Identifying the Gland**: The gland responsible for the secretion of sebum is called the sebaceous gland.

3. **Location of Sebaceous Glands**: These glands are located under the skin and are associated with hair follicles.

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