This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic histology, Subject name: Anatomy
Mammary gland is modified? 
Select and explain. 
A. Merocrine gland, B. Sebaceous gland, C. Apocrine sweat gland, D. Mucous gland
C: Apocrine sweat gland
Answer: C: Apocrine sweat gland 
Explanation: Mammary gland is modified apocrine sweat gland.