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
Bone adjacent to periodontal ligament that contains a great number of sharpey's fibres is known as 
Select and explain. 
A. Lamina dura, B. Bundle bone, C. Lamina propria, D. Lamina densa
B: Bundle bone
Answer: B: Bundle bone 
Explanation: None