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: Pathology
Which of the following are stable cells: 
Select and explain. 
A. The lining mucosa of the glands, B. Mesenchymal cells, C. Nerve cells, D. Stratified squamous epithelium of the oral cavity
B: Mesenchymal cells
Answer: B: Mesenchymal cells 
Explanation: Glandular organs of the body such as liver, kidney, pancreas, mesenchymal cells such as fibroblasts and smooth muscle and vascular endothelial cells are examples stable cells.