Function of Nephron in Kidney - Regulation of GFR - Renal System Physiology

Explore the intricate function of nephrons in the kidney and the regulation of glomerular filtration rate (GFR) in this comprehensive 58-minute lecture on renal system physiology. Delve into the basic structure of nephrons, including the glomerular capillary tuft, visceral epithelial cells, and proximal convoluted tubules. Examine the detailed structure of endothelial cells, focusing on fenestrations and fenestrated capillaries. Investigate the composition of the glomerular basement membrane, including lamina densa and lamina rara, and learn about collagen type IV and its role in anti-GBM glomerulonephritis. Understand the filtration function of the triple-layered membrane, exploring its electronegativity and significance as a charge barrier. Analyze the importance of filtration slits in foot processes and their role as a size barrier. Discover how plasma proteins are filtered through the triple layer and the significance of negative charge in repelling albumin, with clinical correlations to minimal change glomerulonephritis. Finally, examine the influence of mesangial cells on glomerular filtration, gaining a comprehensive understanding of kidney function and physiology.