anatomical cross section of human kidneys: exploring structure, physiology, and morphology in 3d medical

renal pelvis urine formation failure tubules histology human physiology system function reabsorption urology collecting duct medical technology healthcare anatomy medulla excretion research glomerulus secretion science nephrology illustration loop of henle bowman 039 capsule imaging education transplant urinary cortex biology morphology nephron cross section filtration juxtaglomerular apparatus kidney treatment