To what does the “juxtaglomerular apparatus” refer?

To what does the “juxtaglomerular apparatus” refer?

A.To those nephrons whose loop of Henle penetrate deep into the medulla

B.To the lamina densa and podocytes that form filtration slits around the capillaries of the glomerulus

C.To the capillaries that surround the loop of Henle of juxtamedullary nephrons

D.To certain cells of the distal convoluted tubule where it touches the afferentArteriole

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