This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of Skin, Subject name: Skin
Fat is present in relation to which anatomical structure? 
Select and explain. 
A. Epidermis, B. Dermis, C. Sub-cutaneous tissue, D. Nail bed
C: Sub-cutaneous tissue
Answer: C: Sub-cutaneous tissue 
Explanation: Ans. (c) Sub-cutaneous tissueRef: Rooks 8th ed p 3.53, Roxburgh's common skin diseases 17th ed p. 1