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: Dental
Pulp tissue contains all except: 
Select and explain. 
A. Fibroblast, B. Capillary, C. Collagen, D. Cell rests of malassez
D: Cell rests of malassez
Answer: D: Cell rests of malassez 
Explanation: None