This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary System: Functional Anatomy and Urine Formation, Subject name: Physiology
Which of the following is not a part of glomeru- lar filtration barrier - 
Select and explain. 
A. Mesangialcell, B. Endothelial cell, C. Podocyte, D. Basement membrane
A: Mesangialcell
Answer: A: Mesangialcell 
Explanation: Ans. is 'a' i.e., Mesangial cell o The glomerular membrane (or the filtration barrier) is the filtration surface through which the fluid is filtered out from the blood into the uriniferous tubules,o The glomerular membrane (filtration barrier) comprises :The glomerular capillary endothelium,The basement membrane (basal lamina) andThe Bowman's visceral epithelium (podocytes).