kidney nephron tubules system process urine formation urinary kidneys nephrons excretion uranium toxicity vasa recta excretory reabsorption ap1 cortical loop

kidney anatomy vasa recta peritubular capillaries urinary henle loop human physiology renal system quizlet nephrons formation water tubules vases physio recta vasa efferent arteriole renal function nephron capillaries peritubular tubule glomerular filtration figure which kidney arterioles blood tubules vessels fluid histology urinary nephron kidney