TOPICS: Kidney function, erythropoiesis, homeostasis, waste, nephron, renal cortex, renal medulla, renal artery, renal vein, renal pelvis, ureter, proximal convoluted tubule, glomerulus, distal convoluted tubule, thin descending limb of the loop of Henle, thick ascending limb (TAL) of the loop of Henle, collecting duct, afferent arteriole, efferent arteriole, glomerular basement membrane, filtration, juxtaglomerular apparatus, endothelial cells, podocytes, Bowman’s capsule, glomerular filtration barrier, fenestrations