This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Ectopic sebaceous glands are present at : \nSelect and explain. \nA. Buccal mucosa, B. Lip, C. Orbit., D. All of the above.', 'role': 'user'}, {'content': "Answer: D \nExplanation: Fordyce's granules are ectopic sebaceous glands that appear as small yellow spots, found frequently in a bilaterally symmetrical pattern on the buccal mucosa, labial mucosa, vermilion border of the lips, retromolar region and occasionally on the tongue, gingival, frenum and palate. Ectopic sebaceous glands are also found in the esophagus, female and male genitalia, nipples, palms and soles, parotid gland, larynx and the orbit.", 'role': 'assistant'}]