Topography of nitric oxide synthesis by localizing constitutive NO synthases in mammalian kidney.

Describes the distal tubular component of the juxtaglomerular apparatus as defined by the occurrence of nitric oxide synthase (NOS). Reduced nicotinamide adenine dinucleotide phosphate diaphorase; Renal vasculature; General distribution of renal NOS-containing nerves; Renal endothelial NO synthesis.