This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of sebaceous and sweat glands, Subject name: Dental
Fordyce spots are? 
Select and explain. 
A. Ectopic sebaceous glands, B. Ectopic eccrine, C. Ectopic apocrine, D. Ectopic mucosal glands
A: Ectopic sebaceous glands
Answer: A: Ectopic sebaceous glands 
Explanation: Fordyce's spots are ectopic sebaceous glands which appear as whitish-yellow bumps on the edge of your lips (most common) / inside your cheeks/penis/scrotum/labia DD of Koplik's spots (pathognomonic of measles) Miliaria occurs due to obstruction of eccrine sweat glands. Fox Fordyce disease occurs due to obstruction of apocrine glands.