kidney cortex. convoluted tubules

abundant also anatomical anatomy appear are biology body contains convoluted corpuscle cortex cross ferrein formations generally glomerulus groups hematoxylineosin histological histology human kidney large light longitudinally low magnification medullary micrograph microscope microscopic microscopy nephron oblique parenchyma peripheral ray renal rounded sectioned sections showing stained there they tortuous trajectory tubule tubules urinary very which why zone