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Which of the following is not considered an over-activity of the sebaceous glands?

  1. Milia

  2. Steatoma

  3. Asteatosis

  4. Dermatitis

The correct answer is: Asteatosis

Asteatosis refers to a condition characterized by dry skin due to a deficiency in sebum production from the sebaceous glands. It indicates underactivity rather than overactivity of these glands. Conversely, milia, steatoma, and dermatitis relate to conditions typically associated with the overproduction or abnormal functioning of sebaceous glands. Milia are small cysts formed as a result of blocked sebaceous glands, while steatomas (also known as sebaceous cysts) result from the accumulation of sebum. Dermatitis can also arise from sebaceous gland issues, often leading to inflammation and irritation related to excessive oil production. Therefore, identifying asteatosis as a condition that reflects reduced sebaceous gland activity distinguishes it clearly from the others, which are related to overactivity.