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: Biochemistry
Sphingolipids are chiefly accumulated in 
Select and explain. 
A. Cardiac muscle, B. Adipose tissue, C. Skeletal muscle, D. CNS
D: CNS
Answer: D: CNS 
Explanation: CNS

Sphingolipids are mainly found in cell membranes, particularly nerve cells and brain tissues.