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
Fox Fordyce`s disease is a disease of? 
Select and explain. 
A. Eccrine glands, B. Apocrine glands, C. Sebaceous glands, D. Pilosebaceous glands
B: Apocrine glands
Answer: B: Apocrine glands 
Explanation: Fox-Fordyce disease is a disorder of the apocrine glands similar to prickly heat of the eccrine glands. The aetiology is unknown, the possible aetiology is obliteration of the apocrine duct at the infundibulum Common in post-pubeal women, but can be postmenopausal. C/F - Intense itching in the axillae, to a lesser extent in the anogenital region and around the breasts. O/E - Not conspicuous at first, but later skin-coloured/slightly pigmented, dome shaped, follicular papules develop followed by loss of axillary hair Fox Fordyce's disease- Apocrine glands Fordyce spots- Sebaceous glands