A    Kidney- longitudinal section
B    Nephron
1    Cortex
2    Medulla
3    Pelvis
4    Glomerulus
5    Bowman's capsule
6    Branch of renal artery
7    Proximal convulated tubule
8    Branch of renal vein
9    Capillaries
10    Loop of Henle
11    Distal convoluted tubule
12    Collecting duct