This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
[{'content': 'Which of the following is not a component of glomerular filtration barrier? \nSelect and explain. \nA. Capillary endothelial cell, B. Basement membrane of endothelial and visceral epithelial cells, C. Podocytes with their foot processes, D. Mesangial cells', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Jump to search Mesangial cells are specialised cells in the kidney that make up the mesangium of the glomerulus. Together with the mesangial matrix, they form the vascular pole of the renal corpuscle. Ref: guyton and hall textbook of medical physiology 12 edition page number:464,465,466', 'role': 'assistant'}]