Visualization of central noradrenergic neurons in thick sections by the unlabeled antibody method: a transmitter-specific Golgi image.

Abstract
The unlabeled peroxidase-antiperoxidase method was used with a guinea pig antiserum vs rat dopamine-.beta.-hydroxylase (DBH) to obtain a 3-dimensional image of noradrenergic cell bodies and their processes in thick Vibratome sections of rat brain. This method stains DBH-positive neurons exclusively with a result similar to that of the Golgi method, which makes it possible to analyze the geometric plan of these neurons and their projections in the CNS. In 100 .mu. sections, DBH-positive axons can be followed over long distances, and the results indicate that their distribution in cerebral and cerebellar cortex is not diffuse but has a strict geometric order.

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