Relaxation of mesangial cells is responsible for: (A) Absorption of glucose, (B) Maintenance of blood flow, (C) Osmotic gradient in medulla, (D) Secretion of uric acid
Answer is B. Mesangial cells are specialized cells around blood vessels in the kidneys, at the mesangium. They are specialized smooth muscle cells that function to regulate blood flow through the capillaries,Ref: Ganong&;s review of medical physiology; 24th edition; page no: 673